jtag/drivers: replace perror() with LOG_ERROR()

The function perror() sends the output to stderr, but OpenOCD
cannot intercept such output to send it to the log.

Replace all occurrences of perror() with LOG_ERROR(), but keeping
the same output format of perror().

The replacement is done automatically through:
	sed -i 's/perror("\([^":]*\)[: ]*")/LOG_ERROR("\1: %s", strerror(errno))/' src/jtag/drivers/*.c

Change-Id: I4c140bdb09235d56cfd8bef75da9b56fbe7c2aec
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: http://openocd.zylin.com/5728
Tested-by: jenkins

src/jtag/drivers/at91rm9200.c

@@ -231,14 +231,14 @@ static int at91rm9200_init(void)
 
 	dev_mem_fd = open("/dev/mem", O_RDWR | O_SYNC);
 	if (dev_mem_fd < 0) {
-		perror("open");
+		LOG_ERROR("open: %s", strerror(errno));
 		return ERROR_JTAG_INIT_FAILED;
 	}
 
 	sys_controller = mmap(NULL, 4096, PROT_READ | PROT_WRITE,
 				MAP_SHARED, dev_mem_fd, AT91C_BASE_SYS);
 	if (sys_controller == MAP_FAILED) {
-		perror("mmap");
+		LOG_ERROR("mmap: %s", strerror(errno));
 		close(dev_mem_fd);
 		return ERROR_JTAG_INIT_FAILED;
 	}

src/jtag/drivers/bcm2835gpio.c

@@ -473,7 +473,7 @@ static int bcm2835gpio_init(void)
 		dev_mem_fd = open("/dev/mem", O_RDWR | O_SYNC);
 	}
 	if (dev_mem_fd < 0) {
-		perror("open");
+		LOG_ERROR("open: %s", strerror(errno));
 		return ERROR_JTAG_INIT_FAILED;
 	}
 
@@ -481,7 +481,7 @@ static int bcm2835gpio_init(void)
 				MAP_SHARED, dev_mem_fd, BCM2835_GPIO_BASE);
 
 	if (pio_base == MAP_FAILED) {
-		perror("mmap");
+		LOG_ERROR("mmap: %s", strerror(errno));
 		close(dev_mem_fd);
 		return ERROR_JTAG_INIT_FAILED;
 	}
@@ -491,7 +491,7 @@ static int bcm2835gpio_init(void)
 				MAP_SHARED, dev_mem_fd, BCM2835_PADS_GPIO_0_27);
 
 	if (pads_base == MAP_FAILED) {
-		perror("mmap");
+		LOG_ERROR("mmap: %s", strerror(errno));
 		close(dev_mem_fd);
 		return ERROR_JTAG_INIT_FAILED;
 	}

src/jtag/drivers/ep93xx.c

@@ -127,7 +127,7 @@ static int set_gonk_mode(void)
 	syscon = mmap(NULL, 4096, PROT_READ | PROT_WRITE,
 			MAP_SHARED, dev_mem_fd, 0x80930000);
 	if (syscon == MAP_FAILED) {
-		perror("mmap");
+		LOG_ERROR("mmap: %s", strerror(errno));
 		return ERROR_JTAG_INIT_FAILED;
 	}
 
@@ -151,14 +151,14 @@ static int ep93xx_init(void)
 
 	dev_mem_fd = open("/dev/mem", O_RDWR | O_SYNC);
 	if (dev_mem_fd < 0) {
-		perror("open");
+		LOG_ERROR("open: %s", strerror(errno));
 		return ERROR_JTAG_INIT_FAILED;
 	}
 
 	gpio_controller = mmap(NULL, 4096, PROT_READ | PROT_WRITE,
 				MAP_SHARED, dev_mem_fd, 0x80840000);
 	if (gpio_controller == MAP_FAILED) {
-		perror("mmap");
+		LOG_ERROR("mmap: %s", strerror(errno));
 		close(dev_mem_fd);
 		return ERROR_JTAG_INIT_FAILED;
 	}

src/jtag/drivers/imx_gpio.c

@@ -491,7 +491,7 @@ static int imx_gpio_init(void)
 
 	dev_mem_fd = open("/dev/mem", O_RDWR | O_SYNC);
 	if (dev_mem_fd < 0) {
-		perror("open");
+		LOG_ERROR("open: %s", strerror(errno));
 		return ERROR_JTAG_INIT_FAILED;
 	}
 
@@ -502,7 +502,7 @@ static int imx_gpio_init(void)
 				MAP_SHARED, dev_mem_fd, imx_gpio_peri_base);
 
 	if (pio_base == MAP_FAILED) {
-		perror("mmap");
+		LOG_ERROR("mmap: %s", strerror(errno));
 		close(dev_mem_fd);
 		return ERROR_JTAG_INIT_FAILED;
 	}

src/jtag/drivers/sysfsgpio.c

@@ -127,7 +127,7 @@ static int setup_sysfs_gpio(int gpio, int is_output, int init_high)
 			LOG_WARNING("gpio %d is already exported", gpio);
 		} else {
 			LOG_ERROR("Couldn't export gpio %d", gpio);
-			perror("sysfsgpio: ");
+			LOG_ERROR("sysfsgpio: %s", strerror(errno));
 			return ERROR_FAIL;
 		}
 	}
@@ -147,7 +147,7 @@ static int setup_sysfs_gpio(int gpio, int is_output, int init_high)
 	}
 	if (ret < 0) {
 		LOG_ERROR("Couldn't set direction for gpio %d", gpio);
-		perror("sysfsgpio: ");
+		LOG_ERROR("sysfsgpio: %s", strerror(errno));
 		unexport_sysfs_gpio(gpio);
 		return ERROR_FAIL;
 	}
@@ -164,7 +164,7 @@ static int setup_sysfs_gpio(int gpio, int is_output, int init_high)
 	}
 	if (ret < 0) {
 		LOG_ERROR("Couldn't open value for gpio %d", gpio);
-		perror("sysfsgpio: ");
+		LOG_ERROR("sysfsgpio: %s", strerror(errno));
 		unexport_sysfs_gpio(gpio);
 	}
 
@@ -208,7 +208,7 @@ static void sysfsgpio_swdio_drive(bool is_output)
 	ret = open_write_close(buf, is_output ? "high" : "in");
 	if (ret < 0) {
 		LOG_ERROR("Couldn't set direction for gpio %d", swdio_gpio);
-		perror("sysfsgpio: ");
+		LOG_ERROR("sysfsgpio: %s", strerror(errno));
 	}
 
 	last_stored = false;