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-rw-r--r--target/linux/ar71xx/files/drivers/leds/leds-rb750.c3
-rw-r--r--target/linux/ar71xx/files/drivers/leds/leds-wndr3700-usb.c9
-rw-r--r--target/linux/ar71xx/files/drivers/mtd/nand/rb4xx_nand.c12
-rw-r--r--target/linux/ar71xx/files/drivers/mtd/nand/rb750_nand.c36
-rw-r--r--target/linux/ar71xx/files/drivers/mtd/tplinkpart.c2
-rw-r--r--target/linux/ar71xx/files/drivers/mtd/wrt160nl_part.c2
-rw-r--r--target/linux/ar71xx/files/drivers/spi/spi-ap83.c10
-rw-r--r--target/linux/ar71xx/files/drivers/spi/spi-rb4xx-cpld.c3
-rw-r--r--target/linux/ar71xx/files/drivers/spi/spi-rb4xx.c99
9 files changed, 102 insertions, 74 deletions
diff --git a/target/linux/ar71xx/files/drivers/leds/leds-rb750.c b/target/linux/ar71xx/files/drivers/leds/leds-rb750.c
index 531ac6b..4046944 100644
--- a/target/linux/ar71xx/files/drivers/leds/leds-rb750.c
+++ b/target/linux/ar71xx/files/drivers/leds/leds-rb750.c
@@ -9,12 +9,13 @@
*
*/
#include <linux/kernel.h>
+#include <linux/module.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/leds.h>
#include <linux/slab.h>
-#include <asm/mach-ar71xx/mach-rb750.h>
+#include <asm/mach-ath79/mach-rb750.h>
#define DRV_NAME "leds-rb750"
diff --git a/target/linux/ar71xx/files/drivers/leds/leds-wndr3700-usb.c b/target/linux/ar71xx/files/drivers/leds/leds-wndr3700-usb.c
index 9f17861..42f5b70 100644
--- a/target/linux/ar71xx/files/drivers/leds/leds-wndr3700-usb.c
+++ b/target/linux/ar71xx/files/drivers/leds/leds-wndr3700-usb.c
@@ -12,7 +12,8 @@
#include <linux/module.h>
#include <linux/platform_device.h>
-#include <asm/mach-ar71xx/ar71xx.h>
+#include <asm/mach-ath79/ar71xx_regs.h>
+#include <asm/mach-ath79/ath79.h>
#define DRIVER_NAME "wndr3700-led-usb"
@@ -20,14 +21,14 @@ static void wndr3700_usb_led_set(struct led_classdev *cdev,
enum led_brightness brightness)
{
if (brightness)
- ar71xx_device_start(RESET_MODULE_GE1_PHY);
+ ath79_device_reset_clear(AR71XX_RESET_GE1_PHY);
else
- ar71xx_device_stop(RESET_MODULE_GE1_PHY);
+ ath79_device_reset_set(AR71XX_RESET_GE1_PHY);
}
static enum led_brightness wndr3700_usb_led_get(struct led_classdev *cdev)
{
- return ar71xx_device_stopped(RESET_MODULE_GE1_PHY) ? LED_OFF : LED_FULL;
+ return ath79_device_reset_get(AR71XX_RESET_GE1_PHY) ? LED_OFF : LED_FULL;
}
static struct led_classdev wndr3700_usb_led = {
diff --git a/target/linux/ar71xx/files/drivers/mtd/nand/rb4xx_nand.c b/target/linux/ar71xx/files/drivers/mtd/nand/rb4xx_nand.c
index f73137d..1cb8f82 100644
--- a/target/linux/ar71xx/files/drivers/mtd/nand/rb4xx_nand.c
+++ b/target/linux/ar71xx/files/drivers/mtd/nand/rb4xx_nand.c
@@ -12,6 +12,8 @@
* by the Free Software Foundation.
*/
+#include <linux/kernel.h>
+#include <linux/module.h>
#include <linux/init.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/mtd.h>
@@ -22,8 +24,8 @@
#include <linux/gpio.h>
#include <linux/slab.h>
-#include <asm/mach-ar71xx/ar71xx.h>
-#include <asm/mach-ar71xx/rb4xx_cpld.h>
+#include <asm/mach-ath79/ath79.h>
+#include <asm/mach-ath79/rb4xx_cpld.h>
#define DRV_NAME "rb4xx-nand"
#define DRV_VERSION "0.2.0"
@@ -238,12 +240,8 @@ static int __devinit rb4xx_nand_probe(struct platform_device *pdev)
goto err_set_drvdata;
}
-#ifdef CONFIG_MTD_PARTITIONS
- ret = add_mtd_partitions(&info->mtd, rb4xx_nand_partitions,
+ mtd_device_register(&info->mtd, rb4xx_nand_partitions,
ARRAY_SIZE(rb4xx_nand_partitions));
-#else
- ret = add_mtd_device(&info->mtd);
-#endif
if (ret)
goto err_release_nand;
diff --git a/target/linux/ar71xx/files/drivers/mtd/nand/rb750_nand.c b/target/linux/ar71xx/files/drivers/mtd/nand/rb750_nand.c
index 79e8a06..f97e6e6 100644
--- a/target/linux/ar71xx/files/drivers/mtd/nand/rb750_nand.c
+++ b/target/linux/ar71xx/files/drivers/mtd/nand/rb750_nand.c
@@ -1,14 +1,15 @@
/*
* NAND flash driver for the MikroTik RouterBOARD 750
*
- * Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*/
-#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
@@ -16,8 +17,9 @@
#include <linux/io.h>
#include <linux/slab.h>
-#include <asm/mach-ar71xx/ar71xx.h>
-#include <asm/mach-ar71xx/mach-rb750.h>
+#include <asm/mach-ath79/ar71xx_regs.h>
+#include <asm/mach-ath79/ath79.h>
+#include <asm/mach-ath79/mach-rb750.h>
#define DRV_NAME "rb750-nand"
#define DRV_VERSION "0.1.0"
@@ -73,7 +75,7 @@ static struct mtd_partition rb750_nand_partitions[] = {
static void rb750_nand_write(const u8 *buf, unsigned len)
{
- void __iomem *base = ar71xx_gpio_base;
+ void __iomem *base = ath79_gpio_base;
u32 out;
u32 t;
unsigned i;
@@ -107,7 +109,7 @@ static void rb750_nand_write(const u8 *buf, unsigned len)
static int rb750_nand_read_verify(u8 *read_buf, unsigned len,
const u8 *verify_buf)
{
- void __iomem *base = ar71xx_gpio_base;
+ void __iomem *base = ath79_gpio_base;
unsigned i;
for (i = 0; i < len; i++) {
@@ -136,7 +138,7 @@ static int rb750_nand_read_verify(u8 *read_buf, unsigned len,
static void rb750_nand_select_chip(struct mtd_info *mtd, int chip)
{
- void __iomem *base = ar71xx_gpio_base;
+ void __iomem *base = ath79_gpio_base;
u32 func;
u32 t;
@@ -145,9 +147,7 @@ static void rb750_nand_select_chip(struct mtd_info *mtd, int chip)
/* disable latch */
rb750_latch_change(RB750_LVC573_LE, 0);
- /* disable alternate functions */
- ar71xx_gpio_function_setup(AR724X_GPIO_FUNC_JTAG_DISABLE,
- AR724X_GPIO_FUNC_SPI_EN);
+ rb750_nand_pins_enable();
/* set input mode for data lines */
t = __raw_readl(base + AR71XX_GPIO_REG_OE);
@@ -172,9 +172,7 @@ static void rb750_nand_select_chip(struct mtd_info *mtd, int chip)
__raw_writel(t | RB750_NAND_IO0 | RB750_NAND_RDY,
base + AR71XX_GPIO_REG_OE);
- /* restore alternate functions */
- ar71xx_gpio_function_setup(AR724X_GPIO_FUNC_SPI_EN,
- AR724X_GPIO_FUNC_JTAG_DISABLE);
+ rb750_nand_pins_disable();
/* enable latch */
rb750_latch_change(0, RB750_LVC573_LE);
@@ -183,7 +181,7 @@ static void rb750_nand_select_chip(struct mtd_info *mtd, int chip)
static int rb750_nand_dev_ready(struct mtd_info *mtd)
{
- void __iomem *base = ar71xx_gpio_base;
+ void __iomem *base = ath79_gpio_base;
return !!(__raw_readl(base + AR71XX_GPIO_REG_IN) & RB750_NAND_RDY);
}
@@ -192,7 +190,7 @@ static void rb750_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
unsigned int ctrl)
{
if (ctrl & NAND_CTRL_CHANGE) {
- void __iomem *base = ar71xx_gpio_base;
+ void __iomem *base = ath79_gpio_base;
u32 t;
t = __raw_readl(base + AR71XX_GPIO_REG_OUT);
@@ -236,7 +234,7 @@ static int rb750_nand_verify_buf(struct mtd_info *mtd, const u8 *buf, int len)
static void __init rb750_nand_gpio_init(void)
{
- void __iomem *base = ar71xx_gpio_base;
+ void __iomem *base = ath79_gpio_base;
u32 out;
u32 t;
@@ -306,12 +304,8 @@ static int __devinit rb750_nand_probe(struct platform_device *pdev)
goto err_set_drvdata;
}
-#ifdef CONFIG_MTD_PARTITIONS
- ret = add_mtd_partitions(&info->mtd, rb750_nand_partitions,
+ ret = mtd_device_register(&info->mtd, rb750_nand_partitions,
ARRAY_SIZE(rb750_nand_partitions));
-#else
- ret = add_mtd_device(&info->mtd);
-#endif
if (ret)
goto err_release_nand;
diff --git a/target/linux/ar71xx/files/drivers/mtd/tplinkpart.c b/target/linux/ar71xx/files/drivers/mtd/tplinkpart.c
index fc13e25..674df66 100644
--- a/target/linux/ar71xx/files/drivers/mtd/tplinkpart.c
+++ b/target/linux/ar71xx/files/drivers/mtd/tplinkpart.c
@@ -108,7 +108,7 @@ static int tplink_check_rootfs_magic(struct mtd_info *mtd, size_t offset)
static int tplink_parse_partitions(struct mtd_info *master,
struct mtd_partition **pparts,
- unsigned long origin)
+ struct mtd_part_parser_data *data)
{
struct mtd_partition *parts;
struct tplink_fw_header *header;
diff --git a/target/linux/ar71xx/files/drivers/mtd/wrt160nl_part.c b/target/linux/ar71xx/files/drivers/mtd/wrt160nl_part.c
index 1f1879a..72927f6 100644
--- a/target/linux/ar71xx/files/drivers/mtd/wrt160nl_part.c
+++ b/target/linux/ar71xx/files/drivers/mtd/wrt160nl_part.c
@@ -83,7 +83,7 @@ struct wrt160nl_header {
static int wrt160nl_parse_partitions(struct mtd_info *master,
struct mtd_partition **pparts,
- unsigned long origin)
+ struct mtd_part_parser_data *data)
{
struct wrt160nl_header *header;
struct trx_header *theader;
diff --git a/target/linux/ar71xx/files/drivers/spi/spi-ap83.c b/target/linux/ar71xx/files/drivers/spi/spi-ap83.c
index de8780d..33843a6 100644
--- a/target/linux/ar71xx/files/drivers/spi/spi-ap83.c
+++ b/target/linux/ar71xx/files/drivers/spi/spi-ap83.c
@@ -10,6 +10,7 @@
*/
#include <linux/kernel.h>
+#include <linux/module.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/spinlock.h>
@@ -21,8 +22,7 @@
#include <linux/bitops.h>
#include <linux/gpio.h>
-#include <asm/mach-ar71xx/ar71xx.h>
-#include <asm/mach-ar71xx/platform.h>
+#include <asm/mach-ath79/ath79.h>
#define DRV_DESC "Atheros AP83 board SPI Controller driver"
#define DRV_VERSION "0.1.0"
@@ -106,7 +106,7 @@ static void ap83_spi_chipselect(struct spi_device *spi, int on)
dev_dbg(&spi->dev, "set CS to %d\n", (on) ? 0 : 1);
if (on) {
- ar71xx_flash_acquire();
+ ath79_flash_acquire();
sp->addr = 0;
ap83_spi_rr(sp, sp->addr);
@@ -114,7 +114,7 @@ static void ap83_spi_chipselect(struct spi_device *spi, int on)
gpio_set_value(AP83_SPI_GPIO_CS, 0);
} else {
gpio_set_value(AP83_SPI_GPIO_CS, 1);
- ar71xx_flash_release();
+ ath79_flash_release();
}
}
@@ -127,7 +127,7 @@ static void ap83_spi_chipselect(struct spi_device *spi, int on)
#define EXPAND_BITBANG_TXRX
#include <linux/spi/spi_bitbang.h>
-#include "spi_bitbang_txrx.h"
+#include "spi-bitbang-txrx.h"
static u32 ap83_spi_txrx_mode0(struct spi_device *spi,
unsigned nsecs, u32 word, u8 bits)
diff --git a/target/linux/ar71xx/files/drivers/spi/spi-rb4xx-cpld.c b/target/linux/ar71xx/files/drivers/spi/spi-rb4xx-cpld.c
index c0040a3..4e8ce31 100644
--- a/target/linux/ar71xx/files/drivers/spi/spi-rb4xx-cpld.c
+++ b/target/linux/ar71xx/files/drivers/spi/spi-rb4xx-cpld.c
@@ -13,6 +13,7 @@
#include <linux/types.h>
#include <linux/kernel.h>
+#include <linux/module.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/device.h>
@@ -21,7 +22,7 @@
#include <linux/gpio.h>
#include <linux/slab.h>
-#include <asm/mach-ar71xx/rb4xx_cpld.h>
+#include <asm/mach-ath79/rb4xx_cpld.h>
#define DRV_NAME "spi-rb4xx-cpld"
#define DRV_DESC "RB4xx CPLD driver"
diff --git a/target/linux/ar71xx/files/drivers/spi/spi-rb4xx.c b/target/linux/ar71xx/files/drivers/spi/spi-rb4xx.c
index f7f148a..56260ff 100644
--- a/target/linux/ar71xx/files/drivers/spi/spi-rb4xx.c
+++ b/target/linux/ar71xx/files/drivers/spi/spi-rb4xx.c
@@ -12,7 +12,10 @@
*
*/
+#include <linux/clk.h>
+#include <linux/err.h>
#include <linux/kernel.h>
+#include <linux/module.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/spinlock.h>
@@ -20,7 +23,8 @@
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
-#include <asm/mach-ar71xx/ar71xx.h>
+#include <asm/mach-ath79/ar71xx_regs.h>
+#include <asm/mach-ath79/ath79.h>
#define DRV_NAME "rb4xx-spi"
#define DRV_DESC "Mikrotik RB4xx SPI controller driver"
@@ -41,13 +45,16 @@ struct rb4xx_spi {
unsigned spi_ctrl_flash;
unsigned spi_ctrl_fread;
+ struct clk *ahb_clk;
+ unsigned long ahb_freq;
+
spinlock_t lock;
struct list_head queue;
int busy:1;
int cs_wait;
};
-static unsigned spi_clk_low = SPI_IOC_CS1;
+static unsigned spi_clk_low = AR71XX_SPI_IOC_CS1;
#ifdef RB4XX_SPI_DEBUG
static inline void do_spi_delay(void)
@@ -60,10 +67,11 @@ static inline void do_spi_delay(void) { }
static inline void do_spi_init(struct spi_device *spi)
{
- unsigned cs = SPI_IOC_CS0 | SPI_IOC_CS1;
+ unsigned cs = AR71XX_SPI_IOC_CS0 | AR71XX_SPI_IOC_CS1;
if (!(spi->mode & SPI_CS_HIGH))
- cs ^= (spi->chip_select == 2) ? SPI_IOC_CS1 : SPI_IOC_CS0;
+ cs ^= (spi->chip_select == 2) ? AR71XX_SPI_IOC_CS1 :
+ AR71XX_SPI_IOC_CS0;
spi_clk_low = cs;
}
@@ -71,17 +79,18 @@ static inline void do_spi_init(struct spi_device *spi)
static inline void do_spi_finish(void __iomem *base)
{
do_spi_delay();
- __raw_writel(SPI_IOC_CS0 | SPI_IOC_CS1, base + SPI_REG_IOC);
+ __raw_writel(AR71XX_SPI_IOC_CS0 | AR71XX_SPI_IOC_CS1,
+ base + AR71XX_SPI_REG_IOC);
}
static inline void do_spi_clk(void __iomem *base, int bit)
{
- unsigned bval = spi_clk_low | ((bit & 1) ? SPI_IOC_DO : 0);
+ unsigned bval = spi_clk_low | ((bit & 1) ? AR71XX_SPI_IOC_DO : 0);
do_spi_delay();
- __raw_writel(bval, base + SPI_REG_IOC);
+ __raw_writel(bval, base + AR71XX_SPI_REG_IOC);
do_spi_delay();
- __raw_writel(bval | SPI_IOC_CLK, base + SPI_REG_IOC);
+ __raw_writel(bval | AR71XX_SPI_IOC_CLK, base + AR71XX_SPI_REG_IOC);
}
static void do_spi_byte(void __iomem *base, unsigned char byte)
@@ -97,19 +106,19 @@ static void do_spi_byte(void __iomem *base, unsigned char byte)
pr_debug("spi_byte sent 0x%02x got 0x%02x\n",
(unsigned)byte,
- (unsigned char)__raw_readl(base + SPI_REG_RDS));
+ (unsigned char)__raw_readl(base + AR71XX_SPI_REG_RDS));
}
static inline void do_spi_clk_fast(void __iomem *base, unsigned bit1,
unsigned bit2)
{
unsigned bval = (spi_clk_low |
- ((bit1 & 1) ? SPI_IOC_DO : 0) |
- ((bit2 & 1) ? SPI_IOC_CS2 : 0));
+ ((bit1 & 1) ? AR71XX_SPI_IOC_DO : 0) |
+ ((bit2 & 1) ? AR71XX_SPI_IOC_CS2 : 0));
do_spi_delay();
- __raw_writel(bval, base + SPI_REG_IOC);
+ __raw_writel(bval, base + AR71XX_SPI_REG_IOC);
do_spi_delay();
- __raw_writel(bval | SPI_IOC_CLK, base + SPI_REG_IOC);
+ __raw_writel(bval | AR71XX_SPI_IOC_CLK, base + AR71XX_SPI_REG_IOC);
}
static void do_spi_byte_fast(void __iomem *base, unsigned char byte)
@@ -121,7 +130,7 @@ static void do_spi_byte_fast(void __iomem *base, unsigned char byte)
pr_debug("spi_byte_fast sent 0x%02x got 0x%02x\n",
(unsigned)byte,
- (unsigned char) __raw_readl(base + SPI_REG_RDS));
+ (unsigned char) __raw_readl(base + AR71XX_SPI_REG_RDS));
}
static int rb4xx_spi_txrx(void __iomem *base, struct spi_transfer *t)
@@ -150,9 +159,9 @@ static int rb4xx_spi_txrx(void __iomem *base, struct spi_transfer *t)
do_spi_byte(base, sdata);
if (rx_ptr) {
- rx_ptr[i] = __raw_readl(base + SPI_REG_RDS) & 0xff;
+ rx_ptr[i] = __raw_readl(base + AR71XX_SPI_REG_RDS) & 0xff;
} else if (rxv_ptr) {
- unsigned char c = __raw_readl(base + SPI_REG_RDS);
+ unsigned char c = __raw_readl(base + AR71XX_SPI_REG_RDS);
if (rxv_ptr[i] != c)
return i;
}
@@ -201,9 +210,9 @@ static int rb4xx_spi_read_fast(struct rb4xx_spi *rbspi,
if (t->tx_buf && !t->verify)
return -1;
- __raw_writel(SPI_FS_GPIO, base + SPI_REG_FS);
- __raw_writel(rbspi->spi_ctrl_fread, base + SPI_REG_CTRL);
- __raw_writel(0, base + SPI_REG_FS);
+ __raw_writel(AR71XX_SPI_FS_GPIO, base + AR71XX_SPI_REG_FS);
+ __raw_writel(rbspi->spi_ctrl_fread, base + AR71XX_SPI_REG_CTRL);
+ __raw_writel(0, base + AR71XX_SPI_REG_FS);
if (t->rx_buf) {
memcpy(t->rx_buf, (const void *)addr, t->len);
@@ -216,9 +225,9 @@ static int rb4xx_spi_read_fast(struct rb4xx_spi *rbspi,
m->actual_length += t->len;
if (rbspi->spi_ctrl_flash != rbspi->spi_ctrl_fread) {
- __raw_writel(SPI_FS_GPIO, base + SPI_REG_FS);
- __raw_writel(rbspi->spi_ctrl_flash, base + SPI_REG_CTRL);
- __raw_writel(0, base + SPI_REG_FS);
+ __raw_writel(AR71XX_SPI_FS_GPIO, base + AR71XX_SPI_REG_FS);
+ __raw_writel(rbspi->spi_ctrl_flash, base + AR71XX_SPI_REG_CTRL);
+ __raw_writel(0, base + AR71XX_SPI_REG_FS);
}
return 0;
@@ -237,8 +246,8 @@ static int rb4xx_spi_msg(struct rb4xx_spi *rbspi, struct spi_message *m)
if (rb4xx_spi_read_fast(rbspi, m) == 0)
return -1;
- __raw_writel(SPI_FS_GPIO, base + SPI_REG_FS);
- __raw_writel(SPI_CTRL_FASTEST, base + SPI_REG_CTRL);
+ __raw_writel(AR71XX_SPI_FS_GPIO, base + AR71XX_SPI_REG_FS);
+ __raw_writel(SPI_CTRL_FASTEST, base + AR71XX_SPI_REG_CTRL);
do_spi_init(m->spi);
list_for_each_entry(t, &m->transfers, transfer_list) {
@@ -262,8 +271,8 @@ static int rb4xx_spi_msg(struct rb4xx_spi *rbspi, struct spi_message *m)
}
do_spi_finish(base);
- __raw_writel(rbspi->spi_ctrl_flash, base + SPI_REG_CTRL);
- __raw_writel(0, base + SPI_REG_FS);
+ __raw_writel(rbspi->spi_ctrl_flash, base + AR71XX_SPI_REG_CTRL);
+ __raw_writel(0, base + AR71XX_SPI_REG_FS);
return -1;
}
@@ -352,11 +361,12 @@ static int rb4xx_spi_setup(struct spi_device *spi)
return 0;
}
-static unsigned get_spi_ctrl(unsigned hz_max, const char *name)
+static unsigned get_spi_ctrl(struct rb4xx_spi *rbspi, unsigned hz_max,
+ const char *name)
{
unsigned div;
- div = (ar71xx_ahb_freq - 1) / (2 * hz_max);
+ div = (rbspi->ahb_freq - 1) / (2 * hz_max);
/*
* CPU has a bug at (div == 0) - first bit read is random
@@ -365,7 +375,7 @@ static unsigned get_spi_ctrl(unsigned hz_max, const char *name)
++div;
if (name) {
- unsigned ahb_khz = (ar71xx_ahb_freq + 500) / 1000;
+ unsigned ahb_khz = (rbspi->ahb_freq + 500) / 1000;
unsigned div_real = 2 * (div + 1);
pr_debug("rb4xx: %s SPI clock %u kHz (AHB %u kHz / %u)\n",
name,
@@ -396,23 +406,40 @@ static int rb4xx_spi_probe(struct platform_device *pdev)
master->transfer = rb4xx_spi_transfer;
rbspi = spi_master_get_devdata(master);
+
+ rbspi->ahb_clk = clk_get(&pdev->dev, "ahb");
+ if (IS_ERR(rbspi->ahb_clk)) {
+ err = PTR_ERR(rbspi->ahb_clk);
+ goto err_put_master;
+ }
+
+ err = clk_enable(rbspi->ahb_clk);
+ if (err)
+ goto err_clk_put;
+
+ rbspi->ahb_freq = clk_get_rate(rbspi->ahb_clk);
+ if (!rbspi->ahb_freq) {
+ err = -EINVAL;
+ goto err_clk_disable;
+ }
+
platform_set_drvdata(pdev, rbspi);
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (r == NULL) {
err = -ENOENT;
- goto err_put_master;
+ goto err_clk_disable;
}
rbspi->base = ioremap(r->start, r->end - r->start + 1);
if (!rbspi->base) {
err = -ENXIO;
- goto err_put_master;
+ goto err_clk_disable;
}
rbspi->master = master;
- rbspi->spi_ctrl_flash = get_spi_ctrl(SPI_FLASH_HZ, "FLASH");
- rbspi->spi_ctrl_fread = get_spi_ctrl(SPI_CPLD_HZ, "CPLD");
+ rbspi->spi_ctrl_flash = get_spi_ctrl(rbspi, SPI_FLASH_HZ, "FLASH");
+ rbspi->spi_ctrl_fread = get_spi_ctrl(rbspi, SPI_CPLD_HZ, "CPLD");
rbspi->cs_wait = -1;
spin_lock_init(&rbspi->lock);
@@ -428,6 +455,10 @@ static int rb4xx_spi_probe(struct platform_device *pdev)
err_iounmap:
iounmap(rbspi->base);
+err_clk_disable:
+ clk_disable(rbspi->ahb_clk);
+err_clk_put:
+ clk_put(rbspi->ahb_clk);
err_put_master:
platform_set_drvdata(pdev, NULL);
spi_master_put(master);
@@ -440,6 +471,8 @@ static int rb4xx_spi_remove(struct platform_device *pdev)
struct rb4xx_spi *rbspi = platform_get_drvdata(pdev);
iounmap(rbspi->base);
+ clk_disable(rbspi->ahb_clk);
+ clk_put(rbspi->ahb_clk);
platform_set_drvdata(pdev, NULL);
spi_master_put(rbspi->master);
generated by cgit v1.1 at 2024-11-06 03:26:24 +0000