7e64abdb8d
Add a new configuration for NXP i.MX51 EVK based on U-boot 2016.05
and kernel 4.6.1.
U-boot 2016.05 needs the patch c510f2e436008 ("video: ipu_common: fix build
error") that is already in mainline to fix an IPU build error.
We can remove this patch in the future when we switch to U-boot 2016.07.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
48 lines
1.4 KiB
Diff
48 lines
1.4 KiB
Diff
From c510f2e436008e55a50b063f2180cb1e63984224 Mon Sep 17 00:00:00 2001
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From: Peng Fan <van.freenix@gmail.com>
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Date: Thu, 28 Apr 2016 10:07:53 +0800
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Subject: [PATCH] video: ipu_common: fix build error
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Some toolchains fail to build
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"clk->rate = (u64)(clk->parent->rate * 16) / div;"
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And the cast usage is wrong.
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Use the following code to fix the issue,
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"
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do_div(parent_rate, div);
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clk->rate = parent_rate;
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"
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Reported-by: Peter Robinson <pbrobinson@gmail.com>
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Signed-off-by: Peng Fan <van.freenix@gmail.com>
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Cc: Stefano Babic <sbabic@denx.de>
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Cc: Fabio Estevam <fabio.estevam@nxp.com>
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Cc: Tom Rini <trini@konsulko.com>
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Cc: Anatolij Gustschin <agust@denx.de>
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Cc: Peter Robinson <pbrobinson@gmail.com>
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Reviewed-by: Tom Rini <trini@konsulko.com>
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Tested-by: Peter Robinson <pbrobinson@gmail.com>
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Signed-off-by: Fabio Estevam <festevam@gmail.com>
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---
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drivers/video/ipu_common.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/drivers/video/ipu_common.c b/drivers/video/ipu_common.c
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index 36d4b23..5676a0f 100644
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--- a/drivers/video/ipu_common.c
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+++ b/drivers/video/ipu_common.c
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@@ -352,7 +352,9 @@ static int ipu_pixel_clk_set_rate(struct clk *clk, unsigned long rate)
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*/
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__raw_writel((div / 16) << 16, DI_BS_CLKGEN1(clk->id));
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- clk->rate = (u64)(clk->parent->rate * 16) / div;
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+ do_div(parent_rate, div);
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+
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+ clk->rate = parent_rate;
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return 0;
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}
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--
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1.9.1
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