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e58cd453d5
Add kernel support for SAMA7G5 by back-porting mainline kernel patches. Among SAMA7G5 features could be remembered: - ARM Cortex-A7 - double data rate multi-port dynamic RAM controller supporting DDR2, DDR3, DDR3L, LPDDR2, LPDDR3 up to 533MHz - peripherals for audio, video processing - 1 gigabit + 1 megabit Ethernet controllers - 6 CAN controllers - trust zone support - DVFS for CPU - criptography IPs Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
46 lines
1.8 KiB
Diff
46 lines
1.8 KiB
Diff
From 17b53ad1574cb5f41789993289d3d94f7a50f0ce Mon Sep 17 00:00:00 2001
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From: Claudiu Beznea <claudiu.beznea@microchip.com>
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Date: Mon, 11 Oct 2021 14:27:09 +0300
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Subject: [PATCH 238/247] clk: at91: clk-master: improve readability by using
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local variables
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Improve readability in clk_sama7g5_master_set() by using local
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variables.
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Suggested-by: Nicolas Ferre <nicolas.ferre@microchip.com>
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Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
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Link: https://lore.kernel.org/r/20211011112719.3951784-6-claudiu.beznea@microchip.com
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Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
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Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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---
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drivers/clk/at91/clk-master.c | 6 +++---
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1 file changed, 3 insertions(+), 3 deletions(-)
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diff --git a/drivers/clk/at91/clk-master.c b/drivers/clk/at91/clk-master.c
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index 88f7af1bfff6..9a2c8e64cacf 100644
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--- a/drivers/clk/at91/clk-master.c
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+++ b/drivers/clk/at91/clk-master.c
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@@ -680,6 +680,8 @@ static void clk_sama7g5_master_set(struct clk_master *master,
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unsigned long flags;
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unsigned int val, cparent;
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unsigned int enable = status ? AT91_PMC_MCR_V2_EN : 0;
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+ unsigned int parent = master->parent << PMC_MCR_CSS_SHIFT;
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+ unsigned int div = master->div << MASTER_DIV_SHIFT;
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spin_lock_irqsave(master->lock, flags);
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@@ -689,9 +691,7 @@ static void clk_sama7g5_master_set(struct clk_master *master,
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regmap_update_bits(master->regmap, AT91_PMC_MCR_V2,
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enable | AT91_PMC_MCR_V2_CSS | AT91_PMC_MCR_V2_DIV |
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AT91_PMC_MCR_V2_CMD | AT91_PMC_MCR_V2_ID_MSK,
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- enable | (master->parent << PMC_MCR_CSS_SHIFT) |
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- (master->div << MASTER_DIV_SHIFT) |
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- AT91_PMC_MCR_V2_CMD |
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+ enable | parent | div | AT91_PMC_MCR_V2_CMD |
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AT91_PMC_MCR_V2_ID(master->id));
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cparent = (val & AT91_PMC_MCR_V2_CSS) >> PMC_MCR_CSS_SHIFT;
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--
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2.32.0
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