Merge tag 'spi-v3.13-rc2' of git://git.kernel.org/pub/scm/linux/kerne…

…l/git/broonie/spi Pull spi fixes from Mark Brown: "A smattering of driver specific fixes here, including a bunch for a long standing common pattern in the error handling paths, and a fix for an embarrassing thinko in the new devm master registration code" * tag 'spi-v3.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: spi/pxa2xx: Restore private register bits. spi/qspi: Fix qspi remove path. spi/qspi: cleanup pm_runtime error check. spi/qspi: set correct platform drvdata in ti_qspi_probe() spi/pxa2xx: add new ACPI IDs spi: core: invert success test in devm_spi_register_master spi: spi-mxs: fix reference leak to master in mxs_spi_remove() spi: bcm63xx: fix reference leak to master in bcm63xx_spi_remove() spi: txx9: fix reference leak to master in txx9spi_remove() spi: mpc512x: fix reference leak to master in mpc512x_psc_spi_do_remove() spi: rspi: use platform drvdata correctly in rspi_remove() spi: bcm2835: fix reference leak to master in bcm2835_spi_remove()
mariux64 · Dec 2, 2013 · aeac810 · aeac810
2 parents 5fc92de + c18158f
commit aeac810
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Showing 9 changed files with 31 additions and 12 deletions.
diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c
@@ -377,7 +377,7 @@ static int bcm2835_spi_probe(struct platform_device *pdev)
 
 static int bcm2835_spi_remove(struct platform_device *pdev)
 {
-	struct spi_master *master = spi_master_get(platform_get_drvdata(pdev));
+	struct spi_master *master = platform_get_drvdata(pdev);
 	struct bcm2835_spi *bs = spi_master_get_devdata(master);
 
 	free_irq(bs->irq, master);

diff --git a/drivers/spi/spi-bcm63xx.c b/drivers/spi/spi-bcm63xx.c
@@ -435,7 +435,7 @@ static int bcm63xx_spi_probe(struct platform_device *pdev)
 
 static int bcm63xx_spi_remove(struct platform_device *pdev)
 {
-	struct spi_master *master = spi_master_get(platform_get_drvdata(pdev));
+	struct spi_master *master = platform_get_drvdata(pdev);
 	struct bcm63xx_spi *bs = spi_master_get_devdata(master);
 
 	/* reset spi block */

diff --git a/drivers/spi/spi-mpc512x-psc.c b/drivers/spi/spi-mpc512x-psc.c
@@ -557,7 +557,7 @@ static int mpc512x_psc_spi_do_probe(struct device *dev, u32 regaddr,
 
 static int mpc512x_psc_spi_do_remove(struct device *dev)
 {
-	struct spi_master *master = spi_master_get(dev_get_drvdata(dev));
+	struct spi_master *master = dev_get_drvdata(dev);
 	struct mpc512x_psc_spi *mps = spi_master_get_devdata(master);
 
 	clk_disable_unprepare(mps->clk_mclk);

diff --git a/drivers/spi/spi-mxs.c b/drivers/spi/spi-mxs.c
@@ -565,7 +565,7 @@ static int mxs_spi_remove(struct platform_device *pdev)
 	struct mxs_spi *spi;
 	struct mxs_ssp *ssp;
 
-	master = spi_master_get(platform_get_drvdata(pdev));
+	master = platform_get_drvdata(pdev);
 	spi = spi_master_get_devdata(master);
 	ssp = &spi->ssp;
 

diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
@@ -1073,6 +1073,8 @@ pxa2xx_spi_acpi_get_pdata(struct platform_device *pdev)
 static struct acpi_device_id pxa2xx_spi_acpi_match[] = {
 	{ "INT33C0", 0 },
 	{ "INT33C1", 0 },
+	{ "INT3430", 0 },
+	{ "INT3431", 0 },
 	{ "80860F0E", 0 },
 	{ },
 };
@@ -1291,6 +1293,9 @@ static int pxa2xx_spi_resume(struct device *dev)
 	/* Enable the SSP clock */
 	clk_prepare_enable(ssp->clk);
 
+	/* Restore LPSS private register bits */
+	lpss_ssp_setup(drv_data);
+
 	/* Start the queue running */
 	status = spi_master_resume(drv_data->master);
 	if (status != 0) {

diff --git a/drivers/spi/spi-rspi.c b/drivers/spi/spi-rspi.c
@@ -885,14 +885,13 @@ static void rspi_release_dma(struct rspi_data *rspi)
 
 static int rspi_remove(struct platform_device *pdev)
 {
-	struct rspi_data *rspi = spi_master_get(platform_get_drvdata(pdev));
+	struct rspi_data *rspi = platform_get_drvdata(pdev);
 
 	spi_unregister_master(rspi->master);
 	rspi_release_dma(rspi);
 	free_irq(platform_get_irq(pdev, 0), rspi);
 	clk_put(rspi->clk);
 	iounmap(rspi->addr);
-	spi_master_put(rspi->master);
 
 	return 0;
 }

diff --git 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 @@ static int ti_qspi_probe(struct platform_device *pdev)
 
 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;
 }
 

diff --git a/drivers/spi/spi-txx9.c b/drivers/spi/spi-txx9.c
@@ -425,7 +425,7 @@ static int txx9spi_probe(struct platform_device *dev)
 
 static int txx9spi_remove(struct platform_device *dev)
 {
-	struct spi_master *master = spi_master_get(platform_get_drvdata(dev));
+	struct spi_master *master = platform_get_drvdata(dev);
 	struct txx9spi *c = spi_master_get_devdata(master);
 
 	destroy_workqueue(c->workqueue);

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
@@ -1415,7 +1415,7 @@ int devm_spi_register_master(struct device *dev, struct spi_master *master)
 		return -ENOMEM;
 
 	ret = spi_register_master(master);
-	if (ret != 0) {
+	if (!ret) {
 		*ptr = master;
 		devres_add(dev, ptr);
 	} else {