ar71xx: merge 3.2 fixes

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30406 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 0 insertions, 261 deletions

diff --git a/target/linux/ar71xx/patches-3.2/306-spi-rb4xx-3.2-fixes.patch b/target/linux/ar71xx/patches-3.2/306-spi-rb4xx-3.2-fixes.patch
deleted file mode 100644
index ba02e59b0..000000000
--- a/target/linux/ar71xx/patches-3.2/306-spi-rb4xx-3.2-fixes.patch
+++ /dev/null
@@ -1,261 +0,0 @@
---- a/drivers/spi/spi-rb4xx.c
-+++ b/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 sp
- 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 *ba
- 
- 	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 __iome
- 
- 	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 *
- 			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 rb
- 	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 rb
- 	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_sp
- 		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_sp
- 	}
- 
- 	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_de
- 	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
- 		++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 platfo
- 	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 platfo
- 
- 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 platf
- 	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);
-