From df01d6cce9f50ced6281834fff43cb9b5cc85a71 Mon Sep 17 00:00:00 2001 From: Loc Ho Date: Mon, 29 Feb 2016 14:15:43 -0700 Subject: [PATCH] clk: xgene: Add missing parenthesis when clearing divider value BugLink: http://bugs.launchpad.net/bugs/1631468 commit 0f4c7a138dfefb0ebdbaf56e3ba2acd2958a6605 upstream. In the initial fix for non-zero divider shift value, the parenthesis was missing after the negate operation. This patch adds the required parenthesis. Otherwise, lower bits may be cleared unintentionally. Signed-off-by: Loc Ho Acked-by: Toan Le Fixes: 1382ea631ddd ("clk: xgene: Fix divider with non-zero shift value") Signed-off-by: Stephen Boyd Signed-off-by: Greg Kroah-Hartman Signed-off-by: Tim Gardner --- drivers/clk/clk-xgene.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/clk/clk-xgene.c b/drivers/clk/clk-xgene.c index 266d573b9134..9b081301b026 100644 --- a/drivers/clk/clk-xgene.c +++ b/drivers/clk/clk-xgene.c @@ -376,8 +376,8 @@ static int xgene_clk_set_rate(struct clk_hw *hw, unsigned long rate, /* Set new divider */ data = xgene_clk_read(pclk->param.divider_reg + pclk->param.reg_divider_offset); - data &= ~((1 << pclk->param.reg_divider_width) - 1) - << pclk->param.reg_divider_shift; + data &= ~(((1 << pclk->param.reg_divider_width) - 1) + << pclk->param.reg_divider_shift); data |= divider; xgene_clk_write(data, pclk->param.divider_reg + pclk->param.reg_divider_offset); -- 2.39.5