clk: divider: Fix clk_divider_round_rate() to use clk_readl()
authorGeert Uytterhoeven <geert+renesas@glider.be>
Fri, 12 Aug 2016 12:37:54 +0000 (14:37 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 31 Oct 2016 10:14:01 +0000 (04:14 -0600)
commit 2cf9a57811bddb6fa6b0f8d7376da164d5534813 upstream.

clk-divider uses clk_readl()/clk_writel() everywhere, except in
clk_divider_round_rate(), where plain readl() is used. Change this to
clk_readl(), as it makes a difference on powerpc.

Fixes: e6d5e7d90be92cee ("clk-divider: Fix READ_ONLY when divider > 1")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/clk/clk-divider.c

index bbf206e3da0d2aa12dcf8bd571fc7b22860f6eeb..ac9582de64a5224e4681494449563e30092810dc 100644 (file)
@@ -354,7 +354,7 @@ static long clk_divider_round_rate(struct clk_hw *hw, unsigned long rate,
 
        /* if read only, just return current value */
        if (divider->flags & CLK_DIVIDER_READ_ONLY) {
-               bestdiv = readl(divider->reg) >> divider->shift;
+               bestdiv = clk_readl(divider->reg) >> divider->shift;
                bestdiv &= div_mask(divider->width);
                bestdiv = _get_div(divider->table, bestdiv, divider->flags,
                        divider->width);