X-Git-Url: http://git.openwrt.org/?a=blobdiff_plain;f=target%2Flinux%2Fsunxi%2Fpatches-4.4%2F144-usb-ehci-plat-support-multiple-reset-ctrllines.patch;fp=target%2Flinux%2Fsunxi%2Fpatches-4.4%2F144-usb-ehci-plat-support-multiple-reset-ctrllines.patch;h=0000000000000000000000000000000000000000;hb=b5d52b205285df826dea709933b4a20cd192242f;hp=73cd3027bf91c6b3d106ac2f1e80237f81b11355;hpb=c048ca0ce03608e0906137aaf5d3a3abc8d16991;p=openwrt%2Fstaging%2Fchunkeey.git

diff --git a/target/linux/sunxi/patches-4.4/144-usb-ehci-plat-support-multiple-reset-ctrllines.patch b/target/linux/sunxi/patches-4.4/144-usb-ehci-plat-support-multiple-reset-ctrllines.patch
deleted file mode 100644
index 73cd3027bf..0000000000
--- a/target/linux/sunxi/patches-4.4/144-usb-ehci-plat-support-multiple-reset-ctrllines.patch
+++ /dev/null
@@ -1,127 +0,0 @@
-From 957e8f96c67052ca843ea9ffc5223662b973e5de Mon Sep 17 00:00:00 2001
-From: Reinder de Haan <patchesrdh@mveas.com>
-Date: Sun, 15 Nov 2015 14:24:46 +0100
-Subject: [PATCH] ehci-platform: Add support for controllers with multiple
- reset lines
-
-At least the EHCI/OHCI found on the Allwinnner H3 SoC needs multiple
-reset lines, the controller will not initialize while the reset for
-its companion is still asserted, which means we need to de-assert
-2 resets for the controller to work.
-
-Signed-off-by: Reinder de Haan <patchesrdh@mveas.com>
-Signed-off-by: Hans de Goede <hdegoede@redhat.com>
----
-Changes in v2:
--Use the new reset_control_[de]assert_shared reset-controller functions
----
- Documentation/devicetree/bindings/usb/usb-ehci.txt |  2 +-
- drivers/usb/host/ehci-platform.c                   | 47 +++++++++++++---------
- 2 files changed, 30 insertions(+), 19 deletions(-)
-
---- a/Documentation/devicetree/bindings/usb/usb-ehci.txt
-+++ b/Documentation/devicetree/bindings/usb/usb-ehci.txt
-@@ -18,7 +18,7 @@ Optional properties:
-  - clocks : a list of phandle + clock specifier pairs
-  - phys : phandle + phy specifier pair
-  - phy-names : "usb"
-- - resets : phandle + reset specifier pair
-+ - resets : a list of phandle + reset specifier pairs
- 
- Example (Sequoia 440EPx):
-     ehci@e0000300 {
---- a/drivers/usb/host/ehci-platform.c
-+++ b/drivers/usb/host/ehci-platform.c
-@@ -39,11 +39,12 @@
- 
- #define DRIVER_DESC "EHCI generic platform driver"
- #define EHCI_MAX_CLKS 3
-+#define EHCI_MAX_RESETS 2
- #define hcd_to_ehci_priv(h) ((struct ehci_platform_priv *)hcd_to_ehci(h)->priv)
- 
- struct ehci_platform_priv {
- 	struct clk *clks[EHCI_MAX_CLKS];
--	struct reset_control *rst;
-+	struct reset_control *resets[EHCI_MAX_RESETS];
- 	struct phy **phys;
- 	int num_phys;
- 	bool reset_on_resume;
-@@ -149,7 +150,7 @@ static int ehci_platform_probe(struct pl
- 	struct usb_ehci_pdata *pdata = dev_get_platdata(&dev->dev);
- 	struct ehci_platform_priv *priv;
- 	struct ehci_hcd *ehci;
--	int err, irq, phy_num, clk = 0;
-+	int err, irq, phy_num, clk = 0, rst = 0;
- 
- 	if (usb_disabled())
- 		return -ENODEV;
-@@ -232,18 +233,24 @@ static int ehci_platform_probe(struct pl
- 				break;
- 			}
- 		}
--	}
- 
--	priv->rst = devm_reset_control_get_optional(&dev->dev, NULL);
--	if (IS_ERR(priv->rst)) {
--		err = PTR_ERR(priv->rst);
--		if (err == -EPROBE_DEFER)
--			goto err_put_clks;
--		priv->rst = NULL;
--	} else {
--		err = reset_control_deassert(priv->rst);
--		if (err)
--			goto err_put_clks;
-+		for (rst = 0; rst < EHCI_MAX_RESETS; rst++) {
-+			priv->resets[rst] =
-+				of_reset_control_get_by_index(dev->dev.of_node,
-+							      rst);
-+			if (IS_ERR(priv->resets[rst])) {
-+				err = PTR_ERR(priv->resets[rst]);
-+				if (err == -EPROBE_DEFER)
-+					goto err_reset;
-+				priv->resets[rst] = NULL;
-+				break;
-+			}
-+			err = reset_control_deassert_shared(priv->resets[rst]);
-+			if (err) {
-+				reset_control_put(priv->resets[rst]);
-+				goto err_reset;
-+			}
-+		}
- 	}
- 
- 	if (pdata->big_endian_desc)
-@@ -302,8 +309,10 @@ err_power:
- 	if (pdata->power_off)
- 		pdata->power_off(dev);
- err_reset:
--	if (priv->rst)
--		reset_control_assert(priv->rst);
-+	while (--rst >= 0) {
-+		reset_control_assert_shared(priv->resets[rst]);
-+		reset_control_put(priv->resets[rst]);
-+	}
- err_put_clks:
- 	while (--clk >= 0)
- 		clk_put(priv->clks[clk]);
-@@ -321,15 +330,17 @@ static int ehci_platform_remove(struct p
- 	struct usb_hcd *hcd = platform_get_drvdata(dev);
- 	struct usb_ehci_pdata *pdata = dev_get_platdata(&dev->dev);
- 	struct ehci_platform_priv *priv = hcd_to_ehci_priv(hcd);
--	int clk;
-+	int clk, rst;
- 
- 	usb_remove_hcd(hcd);
- 
- 	if (pdata->power_off)
- 		pdata->power_off(dev);
- 
--	if (priv->rst)
--		reset_control_assert(priv->rst);
-+	for (rst = 0; rst < EHCI_MAX_RESETS && priv->resets[rst]; rst++) {
-+		reset_control_assert_shared(priv->resets[rst]);
-+		reset_control_put(priv->resets[rst]);
-+	}
- 
- 	for (clk = 0; clk < EHCI_MAX_CLKS && priv->clks[clk]; clk++)
- 		clk_put(priv->clks[clk]);