drm: smidrm: fix build with clang

deepin inclusion
category: bugfix

Signed-off-by: Wentao Guan <guanwentao@uniontech.com>

Author: opsiff

drivers/gpu/drm/smidrm/ddk750/ddk750_swi2c.c

@@ -184,8 +184,12 @@ static unsigned char swI2CReadSDA(void)
         return 0;
 }
 
+#ifdef __clang__
+#pragma clang optimize off
+#else
 #pragma GCC push_options
 #pragma GCC optimize("O0")
+#endif
 
 /*
  *  This function sends ACK signal
@@ -336,7 +340,12 @@ static unsigned char swI2CReadByte(unsigned char ack)
 
     return data;
 }
+
+#ifdef __clang__
+#pragma clang optimize on
+#else
 #pragma GCC pop_options
+#endif
 
 /*
  * This function initializes the i2c attributes and bus

drivers/gpu/drm/smidrm/ddk768/ddk768_swi2c.c

@@ -258,8 +258,12 @@ static void ddk768_swI2CSCL(unsigned char value)
         pokeRegisterDWord(g_i2cClkGPIODataDirReg, ulGPIODirection);
     }
 }
+#ifdef __clang__
+#pragma clang optimize off
+#else
 #pragma GCC push_options
 #pragma GCC optimize("O0")
+#endif
 /*
  *  This function sends ACK signal
  */
@@ -390,7 +394,11 @@ static long ddk768_swI2CWriteByte(unsigned char data)
         return (-1);
 }
 
+#ifdef __clang__
+#pragma clang optimize on
+#else
 #pragma GCC pop_options
+#endif
 
 static long ddk768_swI2CSetGPIO(
     unsigned char i2cClkGPIO,