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Groups > linux.kernel > #1660170

[PATCH 01/15] clk: ingenic: Fix recalc_rate for clocks with fixed divider

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Previously, the clocks with a fixed divider would report their rate
as being the same as the one of their parent, independently of the
divider in use. This commit fixes this behaviour.

This went unnoticed as neither the jz4740 nor the jz4780 CGU code
have clocks with fixed dividers yet.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
---
 drivers/clk/ingenic/cgu.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/clk/ingenic/cgu.c b/drivers/clk/ingenic/cgu.c
index e8248f9185f7..eb9002ccf3fc 100644
--- a/drivers/clk/ingenic/cgu.c
+++ b/drivers/clk/ingenic/cgu.c
@@ -328,6 +328,8 @@ ingenic_clk_recalc_rate(struct clk_hw *hw, unsigned long parent_rate)
 		div *= clk_info->div.div;
 
 		rate /= div;
+	} else if (clk_info->type & CGU_CLK_FIXDIV) {
+		rate /= clk_info->fixdiv.div;
 	}
 
 	return rate;
-- 
2.11.0

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Thread

[PATCH 00/15] Ingenic JZ4770 and GCW Zero patchset Paul Cercueil <paul@crapouillou.net> - 2017-06-07 22:10 +0200
  [PATCH 03/15] clk: ingenic: Add code to enable/disable PLLs Paul Cercueil <paul@crapouillou.net> - 2017-06-07 22:10 +0200
  [PATCH 14/15] devicetree/bindings: Add GCW vendor prefix Paul Cercueil <paul@crapouillou.net> - 2017-06-07 22:10 +0200
    Re: [PATCH 14/15] devicetree/bindings: Add GCW vendor prefix Rob Herring <robh@kernel.org> - 2017-06-09 16:30 +0200
  [PATCH 11/15] MIPS: ingenic: Initial JZ4770 support Paul Cercueil <paul@crapouillou.net> - 2017-06-07 22:10 +0200
  [PATCH 08/15] MIPS: ingenic: Use common cmdline handling code Paul Cercueil <paul@crapouillou.net> - 2017-06-07 22:10 +0200
  [PATCH 01/15] clk: ingenic: Fix recalc_rate for clocks with fixed divider Paul Cercueil <paul@crapouillou.net> - 2017-06-07 22:10 +0200
  [PATCH 07/15] MIPS: Setup boot_command_line before plat_mem_setup Paul Cercueil <paul@crapouillou.net> - 2017-06-07 22:10 +0200
  [PATCH 13/15] MIPS: JZ4770: Workaround for corrupted DMA transfers Paul Cercueil <paul@crapouillou.net> - 2017-06-07 22:10 +0200
  [PATCH 04/15] clk: Add Ingenic jz4770 CGU driver Paul Cercueil <paul@crapouillou.net> - 2017-06-07 22:10 +0200
    Re: [PATCH 04/15] clk: Add Ingenic jz4770 CGU driver Stephen Boyd <sboyd@codeaurora.org> - 2017-06-07 23:00 +0200
      Re: [PATCH 04/15] clk: Add Ingenic jz4770 CGU driver Maarten ter Huurne <maarten@treewalker.org> - 2017-06-08 11:00 +0200
      Re: [PATCH 04/15] clk: Add Ingenic jz4770 CGU driver Paul Cercueil <paul@crapouillou.net> - 2017-06-08 23:20 +0200
  [PATCH 09/15] MIPS: platform: add machtype IDs for more Ingenic SoCs Paul Cercueil <paul@crapouillou.net> - 2017-06-07 22:10 +0200

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