diff options
author | Ingo Molnar <mingo@kernel.org> | 2013-12-17 15:27:08 +0100 |
---|---|---|
committer | Ingo Molnar <mingo@kernel.org> | 2013-12-17 15:27:08 +0100 |
commit | bb799d3b980eb803ca2da4a4eefbd9308f8d988a (patch) | |
tree | 69fbe0cd6d47b23a50f5e1d87bf7489532fae149 /drivers/spi/spi-ti-qspi.c | |
parent | 919fc6e34831d1c2b58bfb5ae261dc3facc9b269 (diff) | |
parent | 319e2e3f63c348a9b66db4667efa73178e18b17d (diff) |
Merge tag 'v3.13-rc4' into core/locking
Merge Linux 3.13-rc4, to refresh this rather old tree with the latest fixes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/spi/spi-ti-qspi.c')
-rw-r--r-- | drivers/spi/spi-ti-qspi.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/drivers/spi/spi-ti-qspi.c b/drivers/spi/spi-ti-qspi.c index 0b71270fbf67..4396bd448540 100644 --- a/drivers/spi/spi-ti-qspi.c +++ b/drivers/spi/spi-ti-qspi.c @@ -161,7 +161,7 @@ static int ti_qspi_setup(struct spi_device *spi) qspi->spi_max_frequency, clk_div); ret = pm_runtime_get_sync(qspi->dev); - if (ret) { + if (ret < 0) { dev_err(qspi->dev, "pm_runtime_get_sync() failed\n"); return ret; } @@ -459,11 +459,10 @@ static int ti_qspi_probe(struct platform_device *pdev) if (!of_property_read_u32(np, "num-cs", &num_cs)) master->num_chipselect = num_cs; - platform_set_drvdata(pdev, master); - qspi = spi_master_get_devdata(master); qspi->master = master; qspi->dev = &pdev->dev; + platform_set_drvdata(pdev, qspi); r = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -517,10 +516,26 @@ free_master: static int ti_qspi_remove(struct platform_device *pdev) { - struct ti_qspi *qspi = platform_get_drvdata(pdev); + struct spi_master *master; + struct ti_qspi *qspi; + int ret; + + master = platform_get_drvdata(pdev); + qspi = spi_master_get_devdata(master); + + ret = pm_runtime_get_sync(qspi->dev); + if (ret < 0) { + dev_err(qspi->dev, "pm_runtime_get_sync() failed\n"); + return ret; + } ti_qspi_write(qspi, QSPI_WC_INT_DISABLE, QSPI_INTR_ENABLE_CLEAR_REG); + pm_runtime_put(qspi->dev); + pm_runtime_disable(&pdev->dev); + + spi_unregister_master(master); + return 0; } |