4.15-stable review patch. If anyone has any objections, please let me know.
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From: Mathias Kresin dev@kresin.me
commit 3223a5a7d3a606dcb7d9190a788b9544a45441ee upstream.
On Danube and AR9 the USB core is connected though a AHB bus to the main system cross bar, hence we need to enable the gating clock of the AHB Bus as well to make the USB controller work.
Fixes: dea54fbad332 ("phy: Add an USB PHY driver for the Lantiq SoCs using the RCU module") Signed-off-by: Mathias Kresin dev@kresin.me Signed-off-by: Hauke Mehrtens hauke@hauke-m.de Acked-by: Martin Blumenstingl martin.blumenstingl@googlemail.com Cc: Ralf Baechle ralf@linux-mips.org Cc: John Crispin john@phrozen.org Cc: linux-mips@linux-mips.org Cc: stable@vger.kernel.org # 4.14+ Patchwork: https://patchwork.linux-mips.org/patch/18814/ Signed-off-by: James Hogan jhogan@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- arch/mips/lantiq/xway/sysctrl.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
--- a/arch/mips/lantiq/xway/sysctrl.c +++ b/arch/mips/lantiq/xway/sysctrl.c @@ -549,9 +549,9 @@ void __init ltq_soc_init(void) clkdev_add_static(ltq_ar9_cpu_hz(), ltq_ar9_fpi_hz(), ltq_ar9_fpi_hz(), CLOCK_250M); clkdev_add_pmu("1f203018.usb2-phy", "phy", 1, 0, PMU_USB0_P); - clkdev_add_pmu("1e101000.usb", "otg", 1, 0, PMU_USB0); + clkdev_add_pmu("1e101000.usb", "otg", 1, 0, PMU_USB0 | PMU_AHBM); clkdev_add_pmu("1f203034.usb2-phy", "phy", 1, 0, PMU_USB1_P); - clkdev_add_pmu("1e106000.usb", "otg", 1, 0, PMU_USB1); + clkdev_add_pmu("1e106000.usb", "otg", 1, 0, PMU_USB1 | PMU_AHBM); clkdev_add_pmu("1e180000.etop", "switch", 1, 0, PMU_SWITCH); clkdev_add_pmu("1e103000.sdio", NULL, 1, 0, PMU_SDIO); clkdev_add_pmu("1e103100.deu", NULL, 1, 0, PMU_DEU); @@ -560,7 +560,7 @@ void __init ltq_soc_init(void) } else { clkdev_add_static(ltq_danube_cpu_hz(), ltq_danube_fpi_hz(), ltq_danube_fpi_hz(), ltq_danube_pp32_hz()); - clkdev_add_pmu("1e101000.usb", "otg", 1, 0, PMU_USB0); + clkdev_add_pmu("1e101000.usb", "otg", 1, 0, PMU_USB0 | PMU_AHBM); clkdev_add_pmu("1f203018.usb2-phy", "phy", 1, 0, PMU_USB0_P); clkdev_add_pmu("1e103000.sdio", NULL, 1, 0, PMU_SDIO); clkdev_add_pmu("1e103100.deu", NULL, 1, 0, PMU_DEU);