This is a note to let you know that I've just added the patch titled
usb: chipidea: imx: set CI_HDRC_IMX28_WRITE_FIX for imx28
to the 3.12-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
usb-chipidea-imx-set-ci_hdrc_imx28_write_fix-for-imx28.patch
and it can be found in the queue-3.12 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 1071055e2a118a81c0b300d7f4af7eba3f7a7c82 Mon Sep 17 00:00:00 2001
From: Peter Chen <[email protected]>
Date: Fri, 10 Jan 2014 13:51:28 +0800
Subject: usb: chipidea: imx: set CI_HDRC_IMX28_WRITE_FIX for imx28
From: Peter Chen <[email protected]>
commit 1071055e2a118a81c0b300d7f4af7eba3f7a7c82 upstream.
Due to imx28 needs ARM swp instruction for writing, we set
CI_HDRC_IMX28_WRITE_FIX for imx28.
This patch is needed for stable tree 3.11+
Cc: [email protected]
Signed-off-by: Peter Chen <[email protected]>
Signed-off-by: Marc Kleine-Budde <[email protected]>
Tested-by: Marc Kleine-Budde <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/usb/chipidea/ci_hdrc_imx.c | 32 ++++++++++++++++++++++++++------
1 file changed, 26 insertions(+), 6 deletions(-)
--- a/drivers/usb/chipidea/ci_hdrc_imx.c
+++ b/drivers/usb/chipidea/ci_hdrc_imx.c
@@ -23,6 +23,26 @@
#include "ci.h"
#include "ci_hdrc_imx.h"
+#define CI_HDRC_IMX_IMX28_WRITE_FIX BIT(0)
+
+struct ci_hdrc_imx_platform_flag {
+ unsigned int flags;
+};
+
+static const struct ci_hdrc_imx_platform_flag imx27_usb_data = {
+};
+
+static const struct ci_hdrc_imx_platform_flag imx28_usb_data = {
+ .flags = CI_HDRC_IMX_IMX28_WRITE_FIX,
+};
+
+static const struct of_device_id ci_hdrc_imx_dt_ids[] = {
+ { .compatible = "fsl,imx28-usb", .data = &imx28_usb_data},
+ { .compatible = "fsl,imx27-usb", .data = &imx27_usb_data},
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, ci_hdrc_imx_dt_ids);
+
struct ci_hdrc_imx_data {
struct usb_phy *phy;
struct platform_device *ci_pdev;
@@ -82,6 +102,9 @@ static int ci_hdrc_imx_probe(struct plat
CI_HDRC_DISABLE_STREAMING,
};
int ret;
+ const struct of_device_id *of_id =
+ of_match_device(ci_hdrc_imx_dt_ids, &pdev->dev);
+ const struct ci_hdrc_imx_platform_flag *imx_platform_flag = of_id->data;
data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
if (!data) {
@@ -121,6 +144,9 @@ static int ci_hdrc_imx_probe(struct plat
pdata.phy = data->phy;
+ if (imx_platform_flag->flags & CI_HDRC_IMX_IMX28_WRITE_FIX)
+ pdata.flags |= CI_HDRC_IMX28_WRITE_FIX;
+
if (!pdev->dev.dma_mask)
pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask;
if (!pdev->dev.coherent_dma_mask)
@@ -187,12 +213,6 @@ static int ci_hdrc_imx_remove(struct pla
return 0;
}
-static const struct of_device_id ci_hdrc_imx_dt_ids[] = {
- { .compatible = "fsl,imx27-usb", },
- { /* sentinel */ }
-};
-MODULE_DEVICE_TABLE(of, ci_hdrc_imx_dt_ids);
-
static struct platform_driver ci_hdrc_imx_driver = {
.probe = ci_hdrc_imx_probe,
.remove = ci_hdrc_imx_remove,
Patches currently in stable-queue which might be from [email protected]
are
queue-3.12/usb-chipidea-add-freescale-imx28-special-write-register-method.patch
queue-3.12/usb-chipidea-need-to-mask-int_status-when-write-otgsc.patch
queue-3.12/usb-chipidea-udc-using-multo-at-td-as-real-mult-value-for-iso-tx.patch
queue-3.12/usb-chipidea-imx-set-ci_hdrc_imx28_write_fix-for-imx28.patch
queue-3.12/usb-ehci-add-freescale-imx28-special-write-register-method.patch
--
To unsubscribe from this list: send the line "unsubscribe stable" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
