From 068cabe8f6169a0df8ed0294eaf949f550b45ad7 Mon Sep 17 00:00:00 2001 From: Chuanhua Han Date: Wed, 10 Jul 2019 21:00:22 +0800 Subject: [PATCH] drivers: i2c: mxc: Fix compiler error when using i2c dm mode I2C dm mode enablemenet causes below compilation errors: In file included from include/config.h:8:0, from include/common.h:20: include/config_fallbacks.h:51:4: error: #error "Cannot define CONFIG_SYS_I2C when CONFIG_DM_I2C is used" # error "Cannot define CONFIG_SYS_I2C when CONFIG_DM_I2C is used" ^~~~~ In file included from include/config.h:8:0, from include/common.h:20: include/config_fallbacks.h:51:4: error: #error "Cannot define CONFIG_SYS_I2C when CONFIG_DM_I2C is used" # error "Cannot define CONFIG_SYS_I2C when CONFIG_DM_I2C is used" ^~~~~ board/freescale/lx2160a/lx2160a.c: In function 'board_early_init_f': board/freescale/lx2160a/lx2160a.c:108:2: warning: implicit declaration of function 'i2c_early_init_f'; did you mean 'arch_early_init_r'? [-Wimplicit-function-declaration] i2c_early_init_f(); ^~~~~~~~~~~~~~~~ arch_early_init_r drivers/i2c/mxc_i2c.c: In function 'mxc_i2c_probe': drivers/i2c/mxc_i2c.c:824:8: warning: implicit declaration of function 'enable_i2c_clk'; did you mean 'enable_irq_wake'? [-Wimplicit-function-declaration] ret = enable_i2c_clk(1, bus->seq); ^~~~~~~~~~~~~~ enable_irq_wake So fix these compilation errors. Signed-off-by: Chuanhua Han Reviewed-by: Prabhakar Kushwaha --- arch/arm/include/asm/arch-fsl-layerscape/config.h | 2 ++ drivers/i2c/mxc_i2c.c | 15 ++++++++------- 2 files changed, 10 insertions(+), 7 deletions(-) diff --git a/arch/arm/include/asm/arch-fsl-layerscape/config.h b/arch/arm/include/asm/arch-fsl-layerscape/config.h index eb21c09..a83c70e 100644 --- a/arch/arm/include/asm/arch-fsl-layerscape/config.h +++ b/arch/arm/include/asm/arch-fsl-layerscape/config.h @@ -178,8 +178,10 @@ #elif defined(CONFIG_ARCH_LX2160A) #define TZPC_BASE 0x02200000 #define TZPCDECPROT_0_SET_BASE (TZPC_BASE + 0x804) +#if !defined(CONFIG_DM_I2C) #define CONFIG_SYS_I2C #define CONFIG_SYS_I2C_EARLY_INIT +#endif #define SRDS_MAX_LANES 8 #ifndef L1_CACHE_BYTES #define L1_CACHE_SHIFT 6 diff --git a/drivers/i2c/mxc_i2c.c b/drivers/i2c/mxc_i2c.c index 23119cc..73b9807 100644 --- a/drivers/i2c/mxc_i2c.c +++ b/drivers/i2c/mxc_i2c.c @@ -558,6 +558,14 @@ static int i2c_read_data(struct mxc_i2c_bus *i2c_bus, uchar chip, uchar *buf, return 0; } +int __enable_i2c_clk(unsigned char enable, unsigned int i2c_num) +{ + return 1; +} + +int enable_i2c_clk(unsigned char enable, unsigned int i2c_num) + __attribute__((weak, alias("__enable_i2c_clk"))); + #ifndef CONFIG_DM_I2C /* * Read data from I2C device @@ -723,13 +731,6 @@ static int mxc_i2c_probe(struct i2c_adapter *adap, uint8_t chip) return bus_i2c_write(i2c_get_base(adap), chip, 0, 0, NULL, 0); } -int __enable_i2c_clk(unsigned char enable, unsigned i2c_num) -{ - return 1; -} -int enable_i2c_clk(unsigned char enable, unsigned i2c_num) - __attribute__((weak, alias("__enable_i2c_clk"))); - void bus_i2c_init(int index, int speed, int unused, int (*idle_bus_fn)(void *p), void *idle_bus_data) { -- 2.7.4