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Diffstat (limited to 'target/linux/imx6/patches-3.10/0004-i2c-imx-retry-on-NAK.patch')
-rw-r--r--target/linux/imx6/patches-3.10/0004-i2c-imx-retry-on-NAK.patch38
1 files changed, 0 insertions, 38 deletions
diff --git a/target/linux/imx6/patches-3.10/0004-i2c-imx-retry-on-NAK.patch b/target/linux/imx6/patches-3.10/0004-i2c-imx-retry-on-NAK.patch
deleted file mode 100644
index e876c6ed49..0000000000
--- a/target/linux/imx6/patches-3.10/0004-i2c-imx-retry-on-NAK.patch
+++ /dev/null
@@ -1,38 +0,0 @@
-From: Tim Harvey <tharvey@gateworks.com>
-Subject: [PATCH] i2c: imx: retry on NAK
-
-In case of busy i2c try again to get ACK.
-
-Signed-off-by: Tim Harvey <tharvey@gateworks.com>
-Tested-by: Luka Perkov <luka@openwrt.org>
----
- drivers/i2c/busses/i2c-imx.c | 4 +++-
- 1 file changed, 3 insertions(+), 1 deletion(-)
-
---- a/drivers/i2c/busses/i2c-imx.c
-+++ b/drivers/i2c/busses/i2c-imx.c
-@@ -62,6 +62,7 @@
-
- /* Default value */
- #define IMX_I2C_BIT_RATE 100000 /* 100kHz */
-+#define IMX_I2C_MAX_RETRIES 3 /* number of retries to attempt */
-
- /* IMX I2C registers */
- #define IMX_I2C_IADR 0x00 /* i2c slave address */
-@@ -198,7 +199,7 @@ static int i2c_imx_acked(struct imx_i2c_
- {
- if (readb(i2c_imx->base + IMX_I2C_I2SR) & I2SR_RXAK) {
- dev_dbg(&i2c_imx->adapter.dev, "<%s> No ACK\n", __func__);
-- return -EIO; /* No ACK */
-+ return -EAGAIN; /* try again */
- }
-
- dev_dbg(&i2c_imx->adapter.dev, "<%s> ACK received\n", __func__);
-@@ -533,6 +534,7 @@ static int __init i2c_imx_probe(struct p
- i2c_imx->adapter.dev.parent = &pdev->dev;
- i2c_imx->adapter.nr = pdev->id;
- i2c_imx->adapter.dev.of_node = pdev->dev.of_node;
-+ i2c_imx->adapter.retries = IMX_I2C_MAX_RETRIES;
- i2c_imx->base = base;
-
- pinctrl = devm_pinctrl_get_select_default(&pdev->dev);