[PATCH] clk: at91: programmable: remove unneeded register read

* [PATCH] clk: at91: programmable: remove unneeded register read
@ 2019-02-23  0:08 Alexandre Belloni
  2019-02-25 17:24 ` Stephen Boyd
  0 siblings, 1 reply; 2+ messages in thread
From: Alexandre Belloni @ 2019-02-23  0:08 UTC (permalink / raw)
  To: Stephen Boyd
  Cc: Nicolas Ferre, Claudiu Beznea, Michael Turquette, linux-clk,
	linux-arm-kernel, linux-kernel, Alexandre Belloni

From: Nicolas Ferre <nicolas.ferre@microchip.com>

This register read is a leftover of a previous read/modify/write. We now use
regmap_update_bits(), so we don't need it anymore.

Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
 drivers/clk/at91/clk-programmable.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/clk/at91/clk-programmable.c b/drivers/clk/at91/clk-programmable.c
index 5bc68b9c5498..89d6f3736dbf 100644
--- a/drivers/clk/at91/clk-programmable.c
+++ b/drivers/clk/at91/clk-programmable.c
@@ -132,11 +132,8 @@ static int clk_programmable_set_rate(struct clk_hw *hw, unsigned long rate,
 	struct clk_programmable *prog = to_clk_programmable(hw);
 	const struct clk_programmable_layout *layout = prog->layout;
 	unsigned long div = parent_rate / rate;
-	unsigned int pckr;
 	int shift = 0;
 
-	regmap_read(prog->regmap, AT91_PMC_PCKR(prog->id), &pckr);
-
 	if (!div)
 		return -EINVAL;
 
-- 
2.20.1


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