Merge remote-tracking branches 'spi/fix/lock', 'spi/fix/maintainers', 'spi/fix/put...

diff --git a/MAINTAINERS b/MAINTAINERS
index db814a8..1fbd77d 100644 (file)
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1644,7 +1644,6 @@ F:        drivers/*/*s3c64xx*
 F:     drivers/*/*s5pv210*
 F:     drivers/memory/samsung/*
 F:     drivers/soc/samsung/*
-F:     drivers/spi/spi-s3c*
 F:     Documentation/arm/Samsung/
 F:     Documentation/devicetree/bindings/arm/samsung/
 F:     Documentation/devicetree/bindings/sram/samsung-sram.txt
@@ -10254,6 +10253,17 @@ S:     Supported
 L:     linux-samsung-soc@vger.kernel.org (moderated for non-subscribers)
 F:     drivers/clk/samsung/
 
+SAMSUNG SPI DRIVERS
+M:     Kukjin Kim <kgene@kernel.org>
+M:     Krzysztof Kozlowski <krzk@kernel.org>
+M:     Andi Shyti <andi.shyti@samsung.com>
+L:     linux-spi@vger.kernel.org
+L:     linux-samsung-soc@vger.kernel.org (moderated for non-subscribers)
+S:     Maintained
+F:     Documentation/devicetree/bindings/spi/spi-samsung.txt
+F:     drivers/spi/spi-s3c*
+F:     include/linux/platform_data/spi-s3c64xx.h
+
 SAMSUNG SXGBE DRIVERS
 M:     Byungho An <bh74.an@samsung.com>
 M:     Girish K S <ks.giri@samsung.com>

diff --git a/drivers/spi/spi-img-spfi.c b/drivers/spi/spi-img-spfi.c
index 823cbc9..7a37090 100644 (file)
--- a/drivers/spi/spi-img-spfi.c
+++ b/drivers/spi/spi-img-spfi.c
@@ -720,8 +720,6 @@ static int img_spfi_remove(struct platform_device *pdev)
                clk_disable_unprepare(spfi->sys_clk);
        }
 
-       spi_master_put(master);
-
        return 0;
 }
 

diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c
index 0be89e0..899d7a8 100644 (file)
--- a/drivers/spi/spi-mt65xx.c
+++ b/drivers/spi/spi-mt65xx.c
@@ -685,7 +685,6 @@ static int mtk_spi_remove(struct platform_device *pdev)
        pm_runtime_disable(&pdev->dev);
 
        mtk_spi_reset(mdata);
-       spi_master_put(master);
 
        return 0;
 }

diff --git a/drivers/spi/spi-pxa2xx-pci.c b/drivers/spi/spi-pxa2xx-pci.c
index f3df522..58d2d48 100644 (file)
--- a/drivers/spi/spi-pxa2xx-pci.c
+++ b/drivers/spi/spi-pxa2xx-pci.c
@@ -214,6 +214,7 @@ static int pxa2xx_spi_pci_probe(struct pci_dev *dev,
                return PTR_ERR(ssp->clk);
 
        memset(&pi, 0, sizeof(pi));
+       pi.fwnode = dev->dev.fwnode;
        pi.parent = &dev->dev;
        pi.name = "pxa2xx-spi";
        pi.id = ssp->port_id;

diff --git a/drivers/spi/spi-qup.c b/drivers/spi/spi-qup.c
index c338ef1..7f15556 100644 (file)
--- a/drivers/spi/spi-qup.c
+++ b/drivers/spi/spi-qup.c
@@ -1030,7 +1030,6 @@ static int spi_qup_remove(struct platform_device *pdev)
 
        pm_runtime_put_noidle(&pdev->dev);
        pm_runtime_disable(&pdev->dev);
-       spi_master_put(master);
 
        return 0;
 }

diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c
index 0f83ad1..1de3a77 100644 (file)
--- a/drivers/spi/spi-sh-msiof.c
+++ b/drivers/spi/spi-sh-msiof.c
@@ -262,6 +262,9 @@ static void sh_msiof_spi_set_clk_regs(struct sh_msiof_spi_priv *p,
 
        for (k = 0; k < ARRAY_SIZE(sh_msiof_spi_div_table); k++) {
                brps = DIV_ROUND_UP(div, sh_msiof_spi_div_table[k].div);
+               /* SCR_BRDV_DIV_1 is valid only if BRPS is x 1/1 or x 1/2 */
+               if (sh_msiof_spi_div_table[k].div == 1 && brps > 2)
+                       continue;
                if (brps <= 32) /* max of brdv is 32 */
                        break;
        }

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 51ad42f..200ca22 100644 (file)
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -960,7 +960,7 @@ static int spi_transfer_one_message(struct spi_master *master,
        struct spi_transfer *xfer;
        bool keep_cs = false;
        int ret = 0;
-       unsigned long ms = 1;
+       unsigned long long ms = 1;
        struct spi_statistics *statm = &master->statistics;
        struct spi_statistics *stats = &msg->spi->statistics;
 
@@ -991,9 +991,13 @@ static int spi_transfer_one_message(struct spi_master *master,
 
                        if (ret > 0) {
                                ret = 0;
-                               ms = xfer->len * 8 * 1000 / xfer->speed_hz;
+                               ms = 8LL * 1000LL * xfer->len;
+                               do_div(ms, xfer->speed_hz);
                                ms += ms + 100; /* some tolerance */
 
+                               if (ms > UINT_MAX)
+                                       ms = UINT_MAX;
+
                                ms = wait_for_completion_timeout(&master->xfer_completion,
                                                                 msecs_to_jiffies(ms));
                        }
@@ -1159,6 +1163,7 @@ static void __spi_pump_messages(struct spi_master *master, bool in_kthread)
                if (ret < 0) {
                        dev_err(&master->dev, "Failed to power device: %d\n",
                                ret);
+                       mutex_unlock(&master->io_mutex);
                        return;
                }
        }
@@ -1174,6 +1179,7 @@ static void __spi_pump_messages(struct spi_master *master, bool in_kthread)
 
                        if (master->auto_runtime_pm)
                                pm_runtime_put(master->dev.parent);
+                       mutex_unlock(&master->io_mutex);
                        return;
                }
        }