diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-4.9/001-4.12-04-spi-bcm63xx-hsspi-allow-providing-clock-rate-through.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-4.9/001-4.12-04-spi-bcm63xx-hsspi-allow-providing-clock-rate-through.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-4.9/001-4.12-04-spi-bcm63xx-hsspi-allow-providing-clock-rate-through.patch b/target/linux/brcm63xx/patches-4.9/001-4.12-04-spi-bcm63xx-hsspi-allow-providing-clock-rate-through.patch new file mode 100644 index 0000000000..30e6734686 --- /dev/null +++ b/target/linux/brcm63xx/patches-4.9/001-4.12-04-spi-bcm63xx-hsspi-allow-providing-clock-rate-through.patch @@ -0,0 +1,35 @@ +From d03f23df6ff47898d76f06b3aa5dadcfa1ec8f4f Mon Sep 17 00:00:00 2001 +From: Jonas Gorski <jonas.gorski@gmail.com> +Date: Sun, 19 Feb 2017 23:40:22 +0100 +Subject: [PATCH 1/3] spi/bcm63xx-hsspi: allow providing clock rate through a + second clock + +Instead of requiring the hsspi clock to have a rate, allow using a second +clock for providing the Hz rate, which is probably more correct anyway. + +Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com> +--- + drivers/spi/spi-bcm63xx-hsspi.c | 12 ++++++++++-- + 1 file changed, 10 insertions(+), 2 deletions(-) + +--- a/drivers/spi/spi-bcm63xx-hsspi.c ++++ b/drivers/spi/spi-bcm63xx-hsspi.c +@@ -351,8 +351,16 @@ static int bcm63xx_hsspi_probe(struct pl + return PTR_ERR(clk); + + rate = clk_get_rate(clk); +- if (!rate) +- return -EINVAL; ++ if (!rate) { ++ struct clk *pll_clk = devm_clk_get(dev, "pll"); ++ ++ if (IS_ERR(pll_clk)) ++ return PTR_ERR(pll_clk); ++ ++ rate = clk_get_rate(pll_clk); ++ if (!rate) ++ return -EINVAL; ++ } + + ret = clk_prepare_enable(clk); + if (ret) |