From: Paul Cercueil <paul@crapouillou.net>
Date: Tue, 16 Jan 2018 15:47:52 +0000 (+0100)
Subject: clk: ingenic: Fix recalc_rate for clocks with fixed divider
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=e6cfa64375d34a6c8c1861868a381013b2d3b921;p=linux.git

clk: ingenic: Fix recalc_rate for clocks with fixed divider

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>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Maarten ter Huurne <maarten@treewalker.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/18477/
Signed-off-by: James Hogan <jhogan@kernel.org>
---

diff --git a/drivers/clk/ingenic/cgu.c b/drivers/clk/ingenic/cgu.c
index ab393637f7b0f..a2e73a6d60fdd 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;