diff options
Diffstat (limited to 'target/linux/brcm2708/patches-3.18/0112-Fix-grabbing-lock-from-atomic-context-in-i2c-driver.patch')
| -rw-r--r--[-rwxr-xr-x] | target/linux/brcm2708/patches-3.18/0112-Fix-grabbing-lock-from-atomic-context-in-i2c-driver.patch | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/target/linux/brcm2708/patches-3.18/0112-Fix-grabbing-lock-from-atomic-context-in-i2c-driver.patch b/target/linux/brcm2708/patches-3.18/0112-Fix-grabbing-lock-from-atomic-context-in-i2c-driver.patch index ecd13fad64..19484af372 100755..100644 --- a/target/linux/brcm2708/patches-3.18/0112-Fix-grabbing-lock-from-atomic-context-in-i2c-driver.patch +++ b/target/linux/brcm2708/patches-3.18/0112-Fix-grabbing-lock-from-atomic-context-in-i2c-driver.patch @@ -16,8 +16,6 @@ fixed typo in comment drivers/i2c/busses/i2c-bcm2708.c | 90 +++++++++++++++++++++++++++++----------- 1 file changed, 65 insertions(+), 25 deletions(-) -diff --git a/drivers/i2c/busses/i2c-bcm2708.c b/drivers/i2c/busses/i2c-bcm2708.c -index fda59ba..81e9374 100644 --- a/drivers/i2c/busses/i2c-bcm2708.c +++ b/drivers/i2c/busses/i2c-bcm2708.c @@ -68,6 +68,7 @@ @@ -36,7 +34,7 @@ index fda59ba..81e9374 100644 struct completion done; -@@ -109,10 +111,10 @@ static void bcm2708_i2c_init_pinmode(int id) +@@ -109,10 +111,10 @@ static void bcm2708_i2c_init_pinmode(int int pin; u32 *gpio = ioremap(GPIO_BASE, SZ_16K); @@ -49,7 +47,7 @@ index fda59ba..81e9374 100644 INP_GPIO(pin); /* set mode to GPIO input first */ SET_GPIO_ALT(pin, 0); /* set mode to ALT 0 */ } -@@ -151,16 +153,16 @@ static inline void bcm2708_bsc_fifo_fill(struct bcm2708_i2c *bi) +@@ -151,16 +153,16 @@ static inline void bcm2708_bsc_fifo_fill bcm2708_wr(bi, BSC_FIFO, bi->msg->buf[bi->pos++]); } @@ -72,7 +70,7 @@ index fda59ba..81e9374 100644 if (bi->msg->flags & I2C_M_RD) c |= BSC_C_INTR | BSC_C_READ; -@@ -177,17 +179,25 @@ static inline void bcm2708_bsc_setup(struct bcm2708_i2c *bi) +@@ -177,17 +179,25 @@ static inline void bcm2708_bsc_setup(str - Both messages to same slave address - Write message can fit inside FIFO (16 bytes or less) */ if ( (bi->nmsgs > 1) && @@ -102,7 +100,7 @@ index fda59ba..81e9374 100644 /* Send next read message before the write transfer finishes. */ bi->nmsgs--; bi->msg++; -@@ -197,6 +207,8 @@ static inline void bcm2708_bsc_setup(struct bcm2708_i2c *bi) +@@ -197,6 +207,8 @@ static inline void bcm2708_bsc_setup(str } } bcm2708_wr(bi, BSC_C, c); @@ -111,7 +109,7 @@ index fda59ba..81e9374 100644 } static irqreturn_t bcm2708_i2c_interrupt(int irq, void *dev_id) -@@ -204,13 +216,15 @@ static irqreturn_t bcm2708_i2c_interrupt(int irq, void *dev_id) +@@ -204,13 +216,15 @@ static irqreturn_t bcm2708_i2c_interrupt struct bcm2708_i2c *bi = dev_id; bool handled = true; u32 s; @@ -129,7 +127,7 @@ index fda59ba..81e9374 100644 s = bcm2708_rd(bi, BSC_S); -@@ -218,13 +232,16 @@ static irqreturn_t bcm2708_i2c_interrupt(int irq, void *dev_id) +@@ -218,13 +232,16 @@ static irqreturn_t bcm2708_i2c_interrupt bcm2708_bsc_reset(bi); bi->error = true; @@ -147,7 +145,7 @@ index fda59ba..81e9374 100644 bcm2708_bsc_reset(bi); -@@ -232,8 +249,19 @@ static irqreturn_t bcm2708_i2c_interrupt(int irq, void *dev_id) +@@ -232,8 +249,19 @@ static irqreturn_t bcm2708_i2c_interrupt /* advance to next message */ bi->msg++; bi->pos = 0; @@ -168,7 +166,7 @@ index fda59ba..81e9374 100644 /* wake up our bh */ complete(&bi->done); } -@@ -266,22 +294,33 @@ static int bcm2708_i2c_master_xfer(struct i2c_adapter *adap, +@@ -266,22 +294,33 @@ static int bcm2708_i2c_master_xfer(struc bi->nmsgs = num; bi->error = false; @@ -211,7 +209,7 @@ index fda59ba..81e9374 100644 } static u32 bcm2708_i2c_functionality(struct i2c_adapter *adap) -@@ -406,6 +445,7 @@ static int bcm2708_i2c_probe(struct platform_device *pdev) +@@ -406,6 +445,7 @@ static int bcm2708_i2c_probe(struct plat cdiv = 0xffff; baudrate = bus_hz / cdiv; } @@ -219,6 +217,3 @@ index fda59ba..81e9374 100644 dev_info(&pdev->dev, "BSC%d Controller at 0x%08lx (irq %d) (baudrate %d)\n", pdev->id, (unsigned long)regs->start, irq, baudrate); --- -1.8.3.2 - |