Hi Markus,

On Tuesday, January 21, 2014 06:24 PM, Markus Pargmann wrote:
Hi,

On Thu, Jan 16, 2014 at 09:18:23AM +0800, Chris Ruehl wrote:
The offset to ICONFB was incorrect, this patch set the correct value 0x14.
dev_dbg in function imx1_write_2bit print the wrong address and had been
moved after address calculation.

Signed-off-by: Chris Ruehl <[email protected]>

Reviewed-by: Markus Pargmann <[email protected]>

Perhaps this should go to the stable tree too for 3.13 and 3.14?

Yes of cause, and I have one more, the offset in

@@ -139,7 +139,7 @@ static int imx1_read_2bit(struct imx1_pinctrl *ipctl, unsigned int pin_id,
                u32 reg_offset)
 {
        void __iomem *reg = imx1_mem(ipctl, pin_id) + reg_offset;
-       int offset = pin_id % 16;
+       int offset = (pin_id % 16) * 2;

        /* Use the next register if the pin's port pin number is >=16 */
        if (pin_id % 32 >= 16)

should fixed, otherwise the printout of /sys/kernel/debug/pinctrl/10015000.iomuxc/pins show prints the wrong confo / iconfa / iconfb

I prepare a patch.

With kind regards,
Chris


Regards,

Markus

---
  drivers/pinctrl/pinctrl-imx1-core.c |    8 ++++----
  1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-imx1-core.c 
b/drivers/pinctrl/pinctrl-imx1-core.c
index f77914a..8dfc3dc 100644
--- a/drivers/pinctrl/pinctrl-imx1-core.c
+++ b/drivers/pinctrl/pinctrl-imx1-core.c
@@ -45,7 +45,7 @@ struct imx1_pinctrl {
  #define MX1_DDIR 0x00
  #define MX1_OCR 0x04
  #define MX1_ICONFA 0x0c
-#define MX1_ICONFB 0x10
+#define MX1_ICONFB 0x14
  #define MX1_GIUS 0x20
  #define MX1_GPR 0x38
  #define MX1_PUEN 0x40
@@ -97,13 +97,13 @@ static void imx1_write_2bit(struct imx1_pinctrl *ipctl, 
unsigned int pin_id,
        u32 old_val;
        u32 new_val;

-       dev_dbg(ipctl->dev, "write: register 0x%p offset %d value 0x%x\n",
-                       reg, offset, value);
-
        /* Use the next register if the pin's port pin number is >=16 */
        if (pin_id % 32 >= 16)
                reg += 0x04;

+       dev_dbg(ipctl->dev, "write: register 0x%p offset %d value 0x%x\n",
+                       reg, offset, value);
+
        /* Get current state of pins */
        old_val = readl(reg);
        old_val &= mask;
--
1.7.10.4




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