openwrt/target/linux/bmips/patches-5.10/041-v5.12-spi-bcm63xx-spi-fix-pm_runtime.patch
Álvaro Fernández Rojas a0eff5ddff bmips: add SPI accepted PM patches
These patches have been accepted upstream.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2021-02-24 18:20:04 +01:00

46 lines
1.4 KiB
Diff

From 73ae625da5c36300fccd809738e7c68f49ebce35 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
Date: Tue, 23 Feb 2021 16:18:50 +0100
Subject: [PATCH 1/2] spi: bcm63xx-spi: fix pm_runtime
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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The driver sets auto_runtime_pm to true, but it doesn't call
pm_runtime_enable(), which results in "Failed to power device" when PM support
is enabled.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Link: https://lore.kernel.org/r/20210223151851.4110-2-noltari@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
drivers/spi/spi-bcm63xx.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
--- a/drivers/spi/spi-bcm63xx.c
+++ b/drivers/spi/spi-bcm63xx.c
@@ -593,11 +593,13 @@ static int bcm63xx_spi_probe(struct plat
bcm_spi_writeb(bs, SPI_INTR_CLEAR_ALL, SPI_INT_STATUS);
+ pm_runtime_enable(&pdev->dev);
+
/* register and we are done */
ret = devm_spi_register_master(dev, master);
if (ret) {
dev_err(dev, "spi register failed\n");
- goto out_clk_disable;
+ goto out_pm_disable;
}
dev_info(dev, "at %pr (irq %d, FIFOs size %d)\n",
@@ -605,6 +607,8 @@ static int bcm63xx_spi_probe(struct plat
return 0;
+out_pm_disable:
+ pm_runtime_disable(&pdev->dev);
out_clk_disable:
clk_disable_unprepare(clk);
out_err: