diff options
| author | John Crispin <john@openwrt.org> | 2015-02-19 09:06:56 +0000 |
|---|---|---|
| committer | John Crispin <john@openwrt.org> | 2015-02-19 09:06:56 +0000 |
| commit | 3cf87e67b2bcb206a964211b08dd4e268d5e9455 (patch) | |
| tree | 2896c9c7d428c857920f8f3659d099f53ffd263e /target/linux/at91/patches | |
| parent | 6fb59689c669728db1ea0defb164bffa3a8a07f4 (diff) | |
| download | upstream-3cf87e67b2bcb206a964211b08dd4e268d5e9455.tar.gz upstream-3cf87e67b2bcb206a964211b08dd4e268d5e9455.tar.bz2 upstream-3cf87e67b2bcb206a964211b08dd4e268d5e9455.zip | |
at91: USB gadget subsystem cleanup and driver fix.
Signed-off-by: Owen Kirby <osk@exegin.com>
SVN-Revision: 44491
Diffstat (limited to 'target/linux/at91/patches')
| -rw-r--r-- | target/linux/at91/patches/100-ARM-at91-build-dtb-for-LMU5000.patch | 2 | ||||
| -rw-r--r-- | target/linux/at91/patches/200-ARM-at91-udc-clockfix-backport.patch | 82 |
2 files changed, 83 insertions, 1 deletions
diff --git a/target/linux/at91/patches/100-ARM-at91-build-dtb-for-LMU5000.patch b/target/linux/at91/patches/100-ARM-at91-build-dtb-for-LMU5000.patch index e8cc68d13d..8852b6a4f0 100644 --- a/target/linux/at91/patches/100-ARM-at91-build-dtb-for-LMU5000.patch +++ b/target/linux/at91/patches/100-ARM-at91-build-dtb-for-LMU5000.patch @@ -1,6 +1,6 @@ --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile -@@ -26,6 +26,7 @@ dtb-$(CONFIG_ARCH_AT91) += usb_a9g20.dtb +@@ -28,6 +28,7 @@ dtb-$(CONFIG_ARCH_AT91) += usb_a9g20.dtb dtb-$(CONFIG_ARCH_AT91) += usb_a9g20_lpw.dtb # sam9g45 dtb-$(CONFIG_ARCH_AT91) += at91sam9m10g45ek.dtb diff --git a/target/linux/at91/patches/200-ARM-at91-udc-clockfix-backport.patch b/target/linux/at91/patches/200-ARM-at91-udc-clockfix-backport.patch new file mode 100644 index 0000000000..1aec3d00b8 --- /dev/null +++ b/target/linux/at91/patches/200-ARM-at91-udc-clockfix-backport.patch @@ -0,0 +1,82 @@ +--- a/drivers/usb/gadget/udc/at91_udc.c ++++ b/drivers/usb/gadget/udc/at91_udc.c +@@ -870,8 +870,6 @@ + return; + udc->clocked = 1; + +- if (IS_ENABLED(CONFIG_COMMON_CLK)) +- clk_enable(udc->uclk); + clk_enable(udc->iclk); + clk_enable(udc->fclk); + } +@@ -884,8 +882,6 @@ + udc->gadget.speed = USB_SPEED_UNKNOWN; + clk_disable(udc->fclk); + clk_disable(udc->iclk); +- if (IS_ENABLED(CONFIG_COMMON_CLK)) +- clk_disable(udc->uclk); + } + + /* +@@ -1766,27 +1762,18 @@ + udc_reinit(udc); + + /* get interface and function clocks */ +- udc->iclk = clk_get(dev, "udc_clk"); +- udc->fclk = clk_get(dev, "udpck"); +- if (IS_ENABLED(CONFIG_COMMON_CLK)) +- udc->uclk = clk_get(dev, "usb_clk"); +- if (IS_ERR(udc->iclk) || IS_ERR(udc->fclk) || +- (IS_ENABLED(CONFIG_COMMON_CLK) && IS_ERR(udc->uclk))) { ++ udc->iclk = clk_get(dev, "pclk"); ++ udc->fclk = clk_get(dev, "hclk"); ++ if (IS_ERR(udc->iclk) || IS_ERR(udc->fclk)) { + DBG("clocks missing\n"); + retval = -ENODEV; + goto fail1; + } + +- /* don't do anything until we have both gadget driver and VBUS */ +- if (IS_ENABLED(CONFIG_COMMON_CLK)) { +- clk_set_rate(udc->uclk, 48000000); +- retval = clk_prepare(udc->uclk); +- if (retval) +- goto fail1; +- } ++ clk_set_rate(udc->fclk, 48000000); + retval = clk_prepare(udc->fclk); + if (retval) +- goto fail1a; ++ goto fail1; + + retval = clk_prepare_enable(udc->iclk); + if (retval) +@@ -1860,12 +1847,7 @@ + clk_unprepare(udc->iclk); + fail1b: + clk_unprepare(udc->fclk); +-fail1a: +- if (IS_ENABLED(CONFIG_COMMON_CLK)) +- clk_unprepare(udc->uclk); + fail1: +- if (IS_ENABLED(CONFIG_COMMON_CLK) && !IS_ERR(udc->uclk)) +- clk_put(udc->uclk); + if (!IS_ERR(udc->fclk)) + clk_put(udc->fclk); + if (!IS_ERR(udc->iclk)) +@@ -1911,15 +1893,11 @@ + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + release_mem_region(res->start, resource_size(res)); + +- if (IS_ENABLED(CONFIG_COMMON_CLK)) +- clk_unprepare(udc->uclk); + clk_unprepare(udc->fclk); + clk_unprepare(udc->iclk); + + clk_put(udc->iclk); + clk_put(udc->fclk); +- if (IS_ENABLED(CONFIG_COMMON_CLK)) +- clk_put(udc->uclk); + + return 0; + } |