diff options
Diffstat (limited to 'target/linux/ipq806x/patches/0134-spi-qup-Fix-order-of-spi_register_master.patch')
| -rw-r--r-- | target/linux/ipq806x/patches/0134-spi-qup-Fix-order-of-spi_register_master.patch | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/target/linux/ipq806x/patches/0134-spi-qup-Fix-order-of-spi_register_master.patch b/target/linux/ipq806x/patches/0134-spi-qup-Fix-order-of-spi_register_master.patch new file mode 100644 index 0000000000..c8738ccac8 --- /dev/null +++ b/target/linux/ipq806x/patches/0134-spi-qup-Fix-order-of-spi_register_master.patch @@ -0,0 +1,46 @@ +From a7357be131e30fd1fb987b2cb343bc81db487f96 Mon Sep 17 00:00:00 2001 +From: Andy Gross <agross@codeaurora.org> +Date: Thu, 12 Jun 2014 14:34:11 -0500 +Subject: [PATCH 134/182] spi: qup: Fix order of spi_register_master + +This patch moves the devm_spi_register_master below the initialization of the +runtime_pm. If done in the wrong order, the spi_register_master fails if any +probed slave devices issue SPI transactions. + +Signed-off-by: Andy Gross <agross@codeaurora.org> +Acked-by: Ivan T. Ivanov <iivanov@mm-sol.com> +--- + drivers/spi/spi-qup.c | 11 +++++++---- + 1 file changed, 7 insertions(+), 4 deletions(-) + +diff --git a/drivers/spi/spi-qup.c b/drivers/spi/spi-qup.c +index dc128ac..a404298 100644 +--- a/drivers/spi/spi-qup.c ++++ b/drivers/spi/spi-qup.c +@@ -619,16 +619,19 @@ static int spi_qup_probe(struct platform_device *pdev) + if (ret) + goto error; + +- ret = devm_spi_register_master(dev, master); +- if (ret) +- goto error; +- + pm_runtime_set_autosuspend_delay(dev, MSEC_PER_SEC); + pm_runtime_use_autosuspend(dev); + pm_runtime_set_active(dev); + pm_runtime_enable(dev); ++ ++ ret = devm_spi_register_master(dev, master); ++ if (ret) ++ goto disable_pm; ++ + return 0; + ++disable_pm: ++ pm_runtime_disable(&pdev->dev); + error: + clk_disable_unprepare(cclk); + clk_disable_unprepare(iclk); +-- +1.7.10.4 + |