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- From d03f23df6ff47898d76f06b3aa5dadcfa1ec8f4f Mon Sep 17 00:00:00 2001
- From: Jonas Gorski <[email protected]>
- 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 <[email protected]>
- ---
- 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)
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