From 1b307b3802c497853e302d7bc427eaacf61cfabd Mon Sep 17 00:00:00 2001
From: Kees Bakker <kees@sodaq.com>
Date: Thu, 11 Aug 2016 21:42:58 +0200
Subject: [PATCH] cpu/sam21_common: eliminate trailing white space in CMSIS
 include files

---
 .../include/cmsis/samr21/README.md            |  8 ++++
 .../cmsis/samr21/include/instance/ac.h        |  2 +-
 .../cmsis/samr21/include/instance/gclk.h      | 20 ++++----
 .../cmsis/samr21/include/instance/nvmctrl.h   | 18 ++++----
 .../cmsis/samr21/include/instance/pm.h        | 10 ++--
 .../cmsis/samr21/include/instance/rfctrl.h    |  2 +-
 .../cmsis/samr21/include/instance/sbmatrix.h  |  2 +-
 .../cmsis/samr21/include/instance/sercom0.h   |  2 +-
 .../cmsis/samr21/include/instance/sercom1.h   |  2 +-
 .../cmsis/samr21/include/instance/sercom2.h   |  2 +-
 .../cmsis/samr21/include/instance/sercom3.h   |  2 +-
 .../cmsis/samr21/include/instance/sercom4.h   |  2 +-
 .../cmsis/samr21/include/instance/sercom5.h   |  2 +-
 .../cmsis/samr21/include/instance/sysctrl.h   | 46 +++++++++----------
 .../cmsis/samr21/include/instance/tc3.h       |  2 +-
 .../cmsis/samr21/include/instance/tc4.h       |  2 +-
 .../cmsis/samr21/include/instance/tc5.h       |  2 +-
 .../cmsis/samr21/include/instance/tcc0.h      |  2 +-
 .../cmsis/samr21/include/instance/tcc1.h      |  2 +-
 .../cmsis/samr21/include/instance/tcc2.h      |  2 +-
 .../include/cmsis/samr21/include/samr21e16a.h |  2 +-
 .../include/cmsis/samr21/include/samr21e17a.h |  2 +-
 .../include/cmsis/samr21/include/samr21e18a.h |  2 +-
 .../include/cmsis/samr21/include/samr21g16a.h |  2 +-
 .../include/cmsis/samr21/include/samr21g17a.h |  2 +-
 .../include/cmsis/samr21/include/samr21g18a.h |  2 +-
 26 files changed, 76 insertions(+), 68 deletions(-)

diff --git a/cpu/sam21_common/include/cmsis/samr21/README.md b/cpu/sam21_common/include/cmsis/samr21/README.md
index 3d961976a8..9c9ff143b8 100644
--- a/cpu/sam21_common/include/cmsis/samr21/README.md
+++ b/cpu/sam21_common/include/cmsis/samr21/README.md
@@ -5,3 +5,11 @@ of samr21 (it was called samd21).
 
 Since then the files has been updated using a distribution from Atmel
 Currently we're using sam0/utils/cmsis/samr21 from asf-3.21.0.7z.
+
+## Trailing White Space
+
+Because of the whitespace check (dist/tools/whitespacecheck/check.sh) all
+the trailing white space had to be removed.  Please take this into account
+when comparing to the original ASF distribution.
+
+    find include/ -name '*.h' -exec sed -i 's/\s*$//' '{}' +
diff --git a/cpu/sam21_common/include/cmsis/samr21/include/instance/ac.h b/cpu/sam21_common/include/cmsis/samr21/include/instance/ac.h
index 00e9e3536c..5b247e625e 100644
--- a/cpu/sam21_common/include/cmsis/samr21/include/instance/ac.h
+++ b/cpu/sam21_common/include/cmsis/samr21/include/instance/ac.h
@@ -84,7 +84,7 @@
 #define AC_CMP_NUM                  2        // Number of comparators
 #define AC_GCLK_ID_ANA              32       // Index of Generic Clock for analog
 #define AC_GCLK_ID_DIG              31       // Index of Generic Clock for digital
-#define AC_NUM_CMP                  2       
+#define AC_NUM_CMP                  2
 #define AC_PAIRS                    1        // Number of pairs of comparators
 
 #endif /* _SAMR21_AC_INSTANCE_ */
diff --git a/cpu/sam21_common/include/cmsis/samr21/include/instance/gclk.h b/cpu/sam21_common/include/cmsis/samr21/include/instance/gclk.h
index ef05884dbb..87fcbbda82 100644
--- a/cpu/sam21_common/include/cmsis/samr21/include/instance/gclk.h
+++ b/cpu/sam21_common/include/cmsis/samr21/include/instance/gclk.h
@@ -63,20 +63,20 @@
 #endif /* (defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
 
 /* ========== Instance parameters for GCLK peripheral ========== */
-#define GCLK_GENDIV_BITS            16      
+#define GCLK_GENDIV_BITS            16
 #define GCLK_GEN_NUM                9        // Number of Generic Clock Generators
 #define GCLK_GEN_NUM_MSB            8        // Number of Generic Clock Generators - 1
 #define GCLK_GEN_SOURCE_NUM_MSB     8        // Number of Generic Clock Sources - 1
 #define GCLK_NUM                    37       // Number of Generic Clock Users
-#define GCLK_SOURCE_DFLL48M         7       
-#define GCLK_SOURCE_FDPLL           8       
-#define GCLK_SOURCE_GCLKGEN1        2       
-#define GCLK_SOURCE_GCLKIN          1       
+#define GCLK_SOURCE_DFLL48M         7
+#define GCLK_SOURCE_FDPLL           8
+#define GCLK_SOURCE_GCLKGEN1        2
+#define GCLK_SOURCE_GCLKIN          1
 #define GCLK_SOURCE_NUM             9        // Number of Generic Clock Sources
-#define GCLK_SOURCE_OSCULP32K       3       
-#define GCLK_SOURCE_OSC8M           6       
-#define GCLK_SOURCE_OSC32K          4       
-#define GCLK_SOURCE_XOSC            0       
-#define GCLK_SOURCE_XOSC32K         5       
+#define GCLK_SOURCE_OSCULP32K       3
+#define GCLK_SOURCE_OSC8M           6
+#define GCLK_SOURCE_OSC32K          4
+#define GCLK_SOURCE_XOSC            0
+#define GCLK_SOURCE_XOSC32K         5
 
 #endif /* _SAMR21_GCLK_INSTANCE_ */
diff --git a/cpu/sam21_common/include/cmsis/samr21/include/instance/nvmctrl.h b/cpu/sam21_common/include/cmsis/samr21/include/instance/nvmctrl.h
index aac27672a0..df11f3ebf8 100644
--- a/cpu/sam21_common/include/cmsis/samr21/include/instance/nvmctrl.h
+++ b/cpu/sam21_common/include/cmsis/samr21/include/instance/nvmctrl.h
@@ -77,16 +77,16 @@
 #define NVMCTRL_AUX3_ADDRESS        0x0080A000
 #define NVMCTRL_CLK_AHB_ID          4        // Index of AHB Clock in PM.AHBMASK register
 #define NVMCTRL_FACTORY_WORD_IMPLEMENTED_MASK 0xC0000007FFFFFFFF
-#define NVMCTRL_FLASH_SIZE          262144  
+#define NVMCTRL_FLASH_SIZE          262144
 #define NVMCTRL_LOCKBIT_ADDRESS     0x00802000
-#define NVMCTRL_PAGES               4096    
-#define NVMCTRL_PAGE_HW             32      
-#define NVMCTRL_PAGE_SIZE           64      
-#define NVMCTRL_PAGE_W              16      
-#define NVMCTRL_PMSB                3       
-#define NVMCTRL_PSZ_BITS            6       
-#define NVMCTRL_ROW_PAGES           4       
-#define NVMCTRL_ROW_SIZE            256     
+#define NVMCTRL_PAGES               4096
+#define NVMCTRL_PAGE_HW             32
+#define NVMCTRL_PAGE_SIZE           64
+#define NVMCTRL_PAGE_W              16
+#define NVMCTRL_PMSB                3
+#define NVMCTRL_PSZ_BITS            6
+#define NVMCTRL_ROW_PAGES           4
+#define NVMCTRL_ROW_SIZE            256
 #define NVMCTRL_TEMP_LOG_ADDRESS    0x00806030
 #define NVMCTRL_USER_PAGE_ADDRESS   0x00800000
 #define NVMCTRL_USER_PAGE_OFFSET    0x00800000
diff --git a/cpu/sam21_common/include/cmsis/samr21/include/instance/pm.h b/cpu/sam21_common/include/cmsis/samr21/include/instance/pm.h
index 2fa68d927b..2e89325818 100644
--- a/cpu/sam21_common/include/cmsis/samr21/include/instance/pm.h
+++ b/cpu/sam21_common/include/cmsis/samr21/include/instance/pm.h
@@ -81,10 +81,10 @@
 #endif /* (defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
 
 /* ========== Instance parameters for PM peripheral ========== */
-#define PM_CTRL_MCSEL_DFLL48M       3       
-#define PM_CTRL_MCSEL_GCLK          0       
-#define PM_CTRL_MCSEL_OSC8M         1       
-#define PM_CTRL_MCSEL_XOSC          2       
-#define PM_PM_CLK_APB_NUM           2       
+#define PM_CTRL_MCSEL_DFLL48M       3
+#define PM_CTRL_MCSEL_GCLK          0
+#define PM_CTRL_MCSEL_OSC8M         1
+#define PM_CTRL_MCSEL_XOSC          2
+#define PM_PM_CLK_APB_NUM           2
 
 #endif /* _SAMR21_PM_INSTANCE_ */
diff --git a/cpu/sam21_common/include/cmsis/samr21/include/instance/rfctrl.h b/cpu/sam21_common/include/cmsis/samr21/include/instance/rfctrl.h
index 0a61a92e23..434e28e28f 100644
--- a/cpu/sam21_common/include/cmsis/samr21/include/instance/rfctrl.h
+++ b/cpu/sam21_common/include/cmsis/samr21/include/instance/rfctrl.h
@@ -55,6 +55,6 @@
 #endif /* (defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
 
 /* ========== Instance parameters for RFCTRL peripheral ========== */
-#define RFCTRL_FBUSMSB              5       
+#define RFCTRL_FBUSMSB              5
 
 #endif /* _SAMR21_RFCTRL_INSTANCE_ */
diff --git a/cpu/sam21_common/include/cmsis/samr21/include/instance/sbmatrix.h b/cpu/sam21_common/include/cmsis/samr21/include/instance/sbmatrix.h
index 1f9e6ecd00..1bbbca4b4a 100644
--- a/cpu/sam21_common/include/cmsis/samr21/include/instance/sbmatrix.h
+++ b/cpu/sam21_common/include/cmsis/samr21/include/instance/sbmatrix.h
@@ -149,7 +149,7 @@
 #endif /* (defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
 
 /* ========== Instance parameters for SBMATRIX peripheral ========== */
-#define SBMATRIX_DEFINED                    
+#define SBMATRIX_DEFINED
 /* ========== Instance parameters for SBMATRIX ========== */
 #define SBMATRIX_SLAVE_FLASH        0
 #define SBMATRIX_SLAVE_HPB0         1
diff --git a/cpu/sam21_common/include/cmsis/samr21/include/instance/sercom0.h b/cpu/sam21_common/include/cmsis/samr21/include/instance/sercom0.h
index 897db351d7..08bf01d26e 100644
--- a/cpu/sam21_common/include/cmsis/samr21/include/instance/sercom0.h
+++ b/cpu/sam21_common/include/cmsis/samr21/include/instance/sercom0.h
@@ -141,6 +141,6 @@
 #define SERCOM0_DMAC_ID_TX          2        // Index of DMA TX trigger
 #define SERCOM0_GCLK_ID_CORE        20       // Index of Generic Clock for Core
 #define SERCOM0_GCLK_ID_SLOW        19       // Index of Generic Clock for SMbus timeout
-#define SERCOM0_INT_MSB             6       
+#define SERCOM0_INT_MSB             6
 
 #endif /* _SAMR21_SERCOM0_INSTANCE_ */
diff --git a/cpu/sam21_common/include/cmsis/samr21/include/instance/sercom1.h b/cpu/sam21_common/include/cmsis/samr21/include/instance/sercom1.h
index 726e576d98..00759e2773 100644
--- a/cpu/sam21_common/include/cmsis/samr21/include/instance/sercom1.h
+++ b/cpu/sam21_common/include/cmsis/samr21/include/instance/sercom1.h
@@ -141,6 +141,6 @@
 #define SERCOM1_DMAC_ID_TX          4        // Index of DMA TX trigger
 #define SERCOM1_GCLK_ID_CORE        21       // Index of Generic Clock for Core
 #define SERCOM1_GCLK_ID_SLOW        19       // Index of Generic Clock for SMbus timeout
-#define SERCOM1_INT_MSB             6       
+#define SERCOM1_INT_MSB             6
 
 #endif /* _SAMR21_SERCOM1_INSTANCE_ */
diff --git a/cpu/sam21_common/include/cmsis/samr21/include/instance/sercom2.h b/cpu/sam21_common/include/cmsis/samr21/include/instance/sercom2.h
index 73d870c172..a258ea12b5 100644
--- a/cpu/sam21_common/include/cmsis/samr21/include/instance/sercom2.h
+++ b/cpu/sam21_common/include/cmsis/samr21/include/instance/sercom2.h
@@ -141,6 +141,6 @@
 #define SERCOM2_DMAC_ID_TX          6        // Index of DMA TX trigger
 #define SERCOM2_GCLK_ID_CORE        22       // Index of Generic Clock for Core
 #define SERCOM2_GCLK_ID_SLOW        19       // Index of Generic Clock for SMbus timeout
-#define SERCOM2_INT_MSB             6       
+#define SERCOM2_INT_MSB             6
 
 #endif /* _SAMR21_SERCOM2_INSTANCE_ */
diff --git a/cpu/sam21_common/include/cmsis/samr21/include/instance/sercom3.h b/cpu/sam21_common/include/cmsis/samr21/include/instance/sercom3.h
index 22162ed9bd..37a0fd36b6 100644
--- a/cpu/sam21_common/include/cmsis/samr21/include/instance/sercom3.h
+++ b/cpu/sam21_common/include/cmsis/samr21/include/instance/sercom3.h
@@ -141,6 +141,6 @@
 #define SERCOM3_DMAC_ID_TX          8        // Index of DMA TX trigger
 #define SERCOM3_GCLK_ID_CORE        23       // Index of Generic Clock for Core
 #define SERCOM3_GCLK_ID_SLOW        19       // Index of Generic Clock for SMbus timeout
-#define SERCOM3_INT_MSB             6       
+#define SERCOM3_INT_MSB             6
 
 #endif /* _SAMR21_SERCOM3_INSTANCE_ */
diff --git a/cpu/sam21_common/include/cmsis/samr21/include/instance/sercom4.h b/cpu/sam21_common/include/cmsis/samr21/include/instance/sercom4.h
index cbdb2faa6c..19cfb2ed51 100644
--- a/cpu/sam21_common/include/cmsis/samr21/include/instance/sercom4.h
+++ b/cpu/sam21_common/include/cmsis/samr21/include/instance/sercom4.h
@@ -141,6 +141,6 @@
 #define SERCOM4_DMAC_ID_TX          10       // Index of DMA TX trigger
 #define SERCOM4_GCLK_ID_CORE        24       // Index of Generic Clock for Core
 #define SERCOM4_GCLK_ID_SLOW        19       // Index of Generic Clock for SMbus timeout
-#define SERCOM4_INT_MSB             6       
+#define SERCOM4_INT_MSB             6
 
 #endif /* _SAMR21_SERCOM4_INSTANCE_ */
diff --git a/cpu/sam21_common/include/cmsis/samr21/include/instance/sercom5.h b/cpu/sam21_common/include/cmsis/samr21/include/instance/sercom5.h
index a26d9ebaeb..ff31909412 100644
--- a/cpu/sam21_common/include/cmsis/samr21/include/instance/sercom5.h
+++ b/cpu/sam21_common/include/cmsis/samr21/include/instance/sercom5.h
@@ -141,6 +141,6 @@
 #define SERCOM5_DMAC_ID_TX          12       // Index of DMA TX trigger
 #define SERCOM5_GCLK_ID_CORE        25       // Index of Generic Clock for Core
 #define SERCOM5_GCLK_ID_SLOW        19       // Index of Generic Clock for SMbus timeout
-#define SERCOM5_INT_MSB             6       
+#define SERCOM5_INT_MSB             6
 
 #endif /* _SAMR21_SERCOM5_INSTANCE_ */
diff --git a/cpu/sam21_common/include/cmsis/samr21/include/instance/sysctrl.h b/cpu/sam21_common/include/cmsis/samr21/include/instance/sysctrl.h
index 646fed35d2..20751d0e5d 100644
--- a/cpu/sam21_common/include/cmsis/samr21/include/instance/sysctrl.h
+++ b/cpu/sam21_common/include/cmsis/samr21/include/instance/sysctrl.h
@@ -93,31 +93,31 @@
 #endif /* (defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
 
 /* ========== Instance parameters for SYSCTRL peripheral ========== */
-#define SYSCTRL_BGAP_CALIB_MSB      11      
-#define SYSCTRL_BOD33_CALIB_MSB     5       
-#define SYSCTRL_DFLL48M_COARSE_MSB  5       
-#define SYSCTRL_DFLL48M_FINE_MSB    9       
+#define SYSCTRL_BGAP_CALIB_MSB      11
+#define SYSCTRL_BOD33_CALIB_MSB     5
+#define SYSCTRL_DFLL48M_COARSE_MSB  5
+#define SYSCTRL_DFLL48M_FINE_MSB    9
 #define SYSCTRL_GCLK_ID_DFLL48      0        // Index of Generic Clock for DFLL48
 #define SYSCTRL_GCLK_ID_FDPLL       1        // Index of Generic Clock for DPLL
 #define SYSCTRL_GCLK_ID_FDPLL32K    2        // Index of Generic Clock for DPLL 32K
-#define SYSCTRL_OSC32K_COARSE_CALIB_MSB 6       
-#define SYSCTRL_POR33_ENTEST_MSB    1       
-#define SYSCTRL_ULPVREF_DIVLEV_MSB  3       
-#define SYSCTRL_ULPVREG_FORCEGAIN_MSB 1       
-#define SYSCTRL_ULPVREG_RAMREFSEL_MSB 2       
-#define SYSCTRL_VREF_CONTROL_MSB    48      
-#define SYSCTRL_VREF_STATUS_MSB     7       
-#define SYSCTRL_VREG_LEVEL_MSB      2       
-#define SYSCTRL_BOD12_VERSION       0x111   
-#define SYSCTRL_BOD33_VERSION       0x111   
-#define SYSCTRL_DFLL48M_VERSION     0x301   
-#define SYSCTRL_FDPLL_VERSION       0x111   
-#define SYSCTRL_OSCULP32K_VERSION   0x111   
-#define SYSCTRL_OSC8M_VERSION       0x120   
-#define SYSCTRL_OSC32K_VERSION      0x1101  
-#define SYSCTRL_VREF_VERSION        0x200   
-#define SYSCTRL_VREG_VERSION        0x201   
-#define SYSCTRL_XOSC_VERSION        0x1111  
-#define SYSCTRL_XOSC32K_VERSION     0x1111  
+#define SYSCTRL_OSC32K_COARSE_CALIB_MSB 6
+#define SYSCTRL_POR33_ENTEST_MSB    1
+#define SYSCTRL_ULPVREF_DIVLEV_MSB  3
+#define SYSCTRL_ULPVREG_FORCEGAIN_MSB 1
+#define SYSCTRL_ULPVREG_RAMREFSEL_MSB 2
+#define SYSCTRL_VREF_CONTROL_MSB    48
+#define SYSCTRL_VREF_STATUS_MSB     7
+#define SYSCTRL_VREG_LEVEL_MSB      2
+#define SYSCTRL_BOD12_VERSION       0x111
+#define SYSCTRL_BOD33_VERSION       0x111
+#define SYSCTRL_DFLL48M_VERSION     0x301
+#define SYSCTRL_FDPLL_VERSION       0x111
+#define SYSCTRL_OSCULP32K_VERSION   0x111
+#define SYSCTRL_OSC8M_VERSION       0x120
+#define SYSCTRL_OSC32K_VERSION      0x1101
+#define SYSCTRL_VREF_VERSION        0x200
+#define SYSCTRL_VREG_VERSION        0x201
+#define SYSCTRL_XOSC_VERSION        0x1111
+#define SYSCTRL_XOSC32K_VERSION     0x1111
 
 #endif /* _SAMR21_SYSCTRL_INSTANCE_ */
diff --git a/cpu/sam21_common/include/cmsis/samr21/include/instance/tc3.h b/cpu/sam21_common/include/cmsis/samr21/include/instance/tc3.h
index 20b6a6da9d..f5108e0f63 100644
--- a/cpu/sam21_common/include/cmsis/samr21/include/instance/tc3.h
+++ b/cpu/sam21_common/include/cmsis/samr21/include/instance/tc3.h
@@ -106,7 +106,7 @@
 #define TC3_DMAC_ID_MC_SIZE         2
 #define TC3_DMAC_ID_OVF             24       // Indexes of DMA Overflow trigger
 #define TC3_GCLK_ID                 27       // Index of Generic Clock
-#define TC3_MASTER                  0       
+#define TC3_MASTER                  0
 #define TC3_OW_NUM                  2        // Number of Output Waveforms
 #define TC3_PERIOD_EXT              0        // Period feature implemented
 #define TC3_SHADOW_EXT              0        // Shadow feature implemented
diff --git a/cpu/sam21_common/include/cmsis/samr21/include/instance/tc4.h b/cpu/sam21_common/include/cmsis/samr21/include/instance/tc4.h
index 64466cc06a..3d0e2503c3 100644
--- a/cpu/sam21_common/include/cmsis/samr21/include/instance/tc4.h
+++ b/cpu/sam21_common/include/cmsis/samr21/include/instance/tc4.h
@@ -106,7 +106,7 @@
 #define TC4_DMAC_ID_MC_SIZE         2
 #define TC4_DMAC_ID_OVF             27       // Indexes of DMA Overflow trigger
 #define TC4_GCLK_ID                 28       // Index of Generic Clock
-#define TC4_MASTER                  1       
+#define TC4_MASTER                  1
 #define TC4_OW_NUM                  2        // Number of Output Waveforms
 #define TC4_PERIOD_EXT              0        // Period feature implemented
 #define TC4_SHADOW_EXT              0        // Shadow feature implemented
diff --git a/cpu/sam21_common/include/cmsis/samr21/include/instance/tc5.h b/cpu/sam21_common/include/cmsis/samr21/include/instance/tc5.h
index b09e078fa1..902687bda6 100644
--- a/cpu/sam21_common/include/cmsis/samr21/include/instance/tc5.h
+++ b/cpu/sam21_common/include/cmsis/samr21/include/instance/tc5.h
@@ -106,7 +106,7 @@
 #define TC5_DMAC_ID_MC_SIZE         2
 #define TC5_DMAC_ID_OVF             30       // Indexes of DMA Overflow trigger
 #define TC5_GCLK_ID                 28       // Index of Generic Clock
-#define TC5_MASTER                  0       
+#define TC5_MASTER                  0
 #define TC5_OW_NUM                  2        // Number of Output Waveforms
 #define TC5_PERIOD_EXT              0        // Period feature implemented
 #define TC5_SHADOW_EXT              0        // Shadow feature implemented
diff --git a/cpu/sam21_common/include/cmsis/samr21/include/instance/tcc0.h b/cpu/sam21_common/include/cmsis/samr21/include/instance/tcc0.h
index d8821574e6..05e0a21cd7 100644
--- a/cpu/sam21_common/include/cmsis/samr21/include/instance/tcc0.h
+++ b/cpu/sam21_common/include/cmsis/samr21/include/instance/tcc0.h
@@ -127,7 +127,7 @@
 #define TCC0_OTMX                   1        // Output Matrix feature implemented
 #define TCC0_OW_NUM                 8        // Number of Output Waveforms
 #define TCC0_PG                     1        // Pattern Generation feature implemented
-#define TCC0_SIZE                   24      
+#define TCC0_SIZE                   24
 #define TCC0_SWAP                   1        // DTI outputs swap feature implemented
 #define TCC0_TYPE                   0        // TCC type 0 : NA, 1 : Master, 2 : Slave
 
diff --git a/cpu/sam21_common/include/cmsis/samr21/include/instance/tcc1.h b/cpu/sam21_common/include/cmsis/samr21/include/instance/tcc1.h
index 6e9b9527ed..0fe6aa7b99 100644
--- a/cpu/sam21_common/include/cmsis/samr21/include/instance/tcc1.h
+++ b/cpu/sam21_common/include/cmsis/samr21/include/instance/tcc1.h
@@ -115,7 +115,7 @@
 #define TCC1_OTMX                   0        // Output Matrix feature implemented
 #define TCC1_OW_NUM                 4        // Number of Output Waveforms
 #define TCC1_PG                     1        // Pattern Generation feature implemented
-#define TCC1_SIZE                   24      
+#define TCC1_SIZE                   24
 #define TCC1_SWAP                   0        // DTI outputs swap feature implemented
 #define TCC1_TYPE                   0        // TCC type 0 : NA, 1 : Master, 2 : Slave
 
diff --git a/cpu/sam21_common/include/cmsis/samr21/include/instance/tcc2.h b/cpu/sam21_common/include/cmsis/samr21/include/instance/tcc2.h
index 51f3e699fc..c121cf33dc 100644
--- a/cpu/sam21_common/include/cmsis/samr21/include/instance/tcc2.h
+++ b/cpu/sam21_common/include/cmsis/samr21/include/instance/tcc2.h
@@ -111,7 +111,7 @@
 #define TCC2_OTMX                   0        // Output Matrix feature implemented
 #define TCC2_OW_NUM                 2        // Number of Output Waveforms
 #define TCC2_PG                     0        // Pattern Generation feature implemented
-#define TCC2_SIZE                   16      
+#define TCC2_SIZE                   16
 #define TCC2_SWAP                   0        // DTI outputs swap feature implemented
 #define TCC2_TYPE                   0        // TCC type 0 : NA, 1 : Master, 2 : Slave
 
diff --git a/cpu/sam21_common/include/cmsis/samr21/include/samr21e16a.h b/cpu/sam21_common/include/cmsis/samr21/include/samr21e16a.h
index e9d86d9805..931bafca9c 100644
--- a/cpu/sam21_common/include/cmsis/samr21/include/samr21e16a.h
+++ b/cpu/sam21_common/include/cmsis/samr21/include/samr21e16a.h
@@ -229,7 +229,7 @@ void I2S_Handler                 ( void );
  * \brief Configuration of the Cortex-M0+ Processor and Core Peripherals
  */
 
-#define LITTLE_ENDIAN          1        
+#define LITTLE_ENDIAN          1
 #define __CM0PLUS_REV          1         /*!< Core revision r0p1 */
 #define __MPU_PRESENT          0         /*!< MPU present or not */
 #define __NVIC_PRIO_BITS       2         /*!< Number of bits used for Priority Levels */
diff --git a/cpu/sam21_common/include/cmsis/samr21/include/samr21e17a.h b/cpu/sam21_common/include/cmsis/samr21/include/samr21e17a.h
index 75abceb2ae..38d7a98c75 100644
--- a/cpu/sam21_common/include/cmsis/samr21/include/samr21e17a.h
+++ b/cpu/sam21_common/include/cmsis/samr21/include/samr21e17a.h
@@ -229,7 +229,7 @@ void I2S_Handler                 ( void );
  * \brief Configuration of the Cortex-M0+ Processor and Core Peripherals
  */
 
-#define LITTLE_ENDIAN          1        
+#define LITTLE_ENDIAN          1
 #define __CM0PLUS_REV          1         /*!< Core revision r0p1 */
 #define __MPU_PRESENT          0         /*!< MPU present or not */
 #define __NVIC_PRIO_BITS       2         /*!< Number of bits used for Priority Levels */
diff --git a/cpu/sam21_common/include/cmsis/samr21/include/samr21e18a.h b/cpu/sam21_common/include/cmsis/samr21/include/samr21e18a.h
index cd8957b975..6bae1e0e0a 100644
--- a/cpu/sam21_common/include/cmsis/samr21/include/samr21e18a.h
+++ b/cpu/sam21_common/include/cmsis/samr21/include/samr21e18a.h
@@ -229,7 +229,7 @@ void I2S_Handler                 ( void );
  * \brief Configuration of the Cortex-M0+ Processor and Core Peripherals
  */
 
-#define LITTLE_ENDIAN          1        
+#define LITTLE_ENDIAN          1
 #define __CM0PLUS_REV          1         /*!< Core revision r0p1 */
 #define __MPU_PRESENT          0         /*!< MPU present or not */
 #define __NVIC_PRIO_BITS       2         /*!< Number of bits used for Priority Levels */
diff --git a/cpu/sam21_common/include/cmsis/samr21/include/samr21g16a.h b/cpu/sam21_common/include/cmsis/samr21/include/samr21g16a.h
index 12a26d2cb7..5a51cc15ab 100644
--- a/cpu/sam21_common/include/cmsis/samr21/include/samr21g16a.h
+++ b/cpu/sam21_common/include/cmsis/samr21/include/samr21g16a.h
@@ -229,7 +229,7 @@ void I2S_Handler                 ( void );
  * \brief Configuration of the Cortex-M0+ Processor and Core Peripherals
  */
 
-#define LITTLE_ENDIAN          1        
+#define LITTLE_ENDIAN          1
 #define __CM0PLUS_REV          1         /*!< Core revision r0p1 */
 #define __MPU_PRESENT          0         /*!< MPU present or not */
 #define __NVIC_PRIO_BITS       2         /*!< Number of bits used for Priority Levels */
diff --git a/cpu/sam21_common/include/cmsis/samr21/include/samr21g17a.h b/cpu/sam21_common/include/cmsis/samr21/include/samr21g17a.h
index bab27fdfe9..1f7ed0341c 100644
--- a/cpu/sam21_common/include/cmsis/samr21/include/samr21g17a.h
+++ b/cpu/sam21_common/include/cmsis/samr21/include/samr21g17a.h
@@ -229,7 +229,7 @@ void I2S_Handler                 ( void );
  * \brief Configuration of the Cortex-M0+ Processor and Core Peripherals
  */
 
-#define LITTLE_ENDIAN          1        
+#define LITTLE_ENDIAN          1
 #define __CM0PLUS_REV          1         /*!< Core revision r0p1 */
 #define __MPU_PRESENT          0         /*!< MPU present or not */
 #define __NVIC_PRIO_BITS       2         /*!< Number of bits used for Priority Levels */
diff --git a/cpu/sam21_common/include/cmsis/samr21/include/samr21g18a.h b/cpu/sam21_common/include/cmsis/samr21/include/samr21g18a.h
index 3436f2b452..00ac5f292e 100644
--- a/cpu/sam21_common/include/cmsis/samr21/include/samr21g18a.h
+++ b/cpu/sam21_common/include/cmsis/samr21/include/samr21g18a.h
@@ -229,7 +229,7 @@ void I2S_Handler                 ( void );
  * \brief Configuration of the Cortex-M0+ Processor and Core Peripherals
  */
 
-#define LITTLE_ENDIAN          1        
+#define LITTLE_ENDIAN          1
 #define __CM0PLUS_REV          1         /*!< Core revision r0p1 */
 #define __MPU_PRESENT          0         /*!< MPU present or not */
 #define __NVIC_PRIO_BITS       2         /*!< Number of bits used for Priority Levels */
-- 
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