brcm63xx: remove kernel 4.9 support
[openwrt/staging/wigyori.git] / target / linux / brcm63xx / patches-4.9 / 001-4.12-06-spi-bcm63xx-hsspi-add-support-for-probing-through-de.patch
diff --git a/target/linux/brcm63xx/patches-4.9/001-4.12-06-spi-bcm63xx-hsspi-add-support-for-probing-through-de.patch b/target/linux/brcm63xx/patches-4.9/001-4.12-06-spi-bcm63xx-hsspi-add-support-for-probing-through-de.patch
deleted file mode 100644 (file)
index aaf4a59..0000000
+++ /dev/null
@@ -1,76 +0,0 @@
-From 776041498c2b285a7f745c924e10fc11ef720eae Mon Sep 17 00:00:00 2001
-From: Jonas Gorski <jonas.gorski@gmail.com>
-Date: Thu, 10 Sep 2015 14:53:53 +0200
-Subject: [PATCH 3/3] spi/bcm63xx-hsspi: allow for probing through devicetree
-
-Add required binding support to probe through device tree.
-
-Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
----
- drivers/spi/spi-bcm63xx-hsspi.c | 23 ++++++++++++++++++++---
- 1 file changed, 20 insertions(+), 3 deletions(-)
-
---- a/drivers/spi/spi-bcm63xx-hsspi.c
-+++ b/drivers/spi/spi-bcm63xx-hsspi.c
-@@ -19,6 +19,7 @@
- #include <linux/interrupt.h>
- #include <linux/spi/spi.h>
- #include <linux/mutex.h>
-+#include <linux/of.h>
- #define HSSPI_GLOBAL_CTRL_REG                 0x0
- #define GLOBAL_CTRL_CS_POLARITY_SHIFT         0
-@@ -91,6 +92,7 @@
- #define HSSPI_MAX_SYNC_CLOCK                  30000000
-+#define HSSPI_SPI_MAX_CS                      8
- #define HSSPI_BUS_NUM                         1 /* 0 is legacy SPI */
- struct bcm63xx_hsspi {
-@@ -332,7 +334,7 @@ static int bcm63xx_hsspi_probe(struct pl
-       struct device *dev = &pdev->dev;
-       struct clk *clk;
-       int irq, ret;
--      u32 reg, rate;
-+      u32 reg, rate, num_cs = HSSPI_SPI_MAX_CS;
-       irq = platform_get_irq(pdev, 0);
-       if (irq < 0) {
-@@ -382,8 +384,17 @@ static int bcm63xx_hsspi_probe(struct pl
-       mutex_init(&bs->bus_mutex);
-       init_completion(&bs->done);
--      master->bus_num = HSSPI_BUS_NUM;
--      master->num_chipselect = 8;
-+      master->dev.of_node = dev->of_node;
-+      if (!dev->of_node)
-+              master->bus_num = HSSPI_BUS_NUM;
-+
-+      of_property_read_u32(dev->of_node, "num-cs", &num_cs);
-+      if (num_cs > 8) {
-+              dev_warn(dev, "unsupported number of cs (%i), reducing to 8\n",
-+                       num_cs);
-+              num_cs = HSSPI_SPI_MAX_CS;
-+      }
-+      master->num_chipselect = num_cs;
-       master->setup = bcm63xx_hsspi_setup;
-       master->transfer_one_message = bcm63xx_hsspi_transfer_one;
-       master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH |
-@@ -469,10 +480,16 @@ static int bcm63xx_hsspi_resume(struct d
- static SIMPLE_DEV_PM_OPS(bcm63xx_hsspi_pm_ops, bcm63xx_hsspi_suspend,
-                        bcm63xx_hsspi_resume);
-+static const struct of_device_id bcm63xx_hsspi_of_match[] = {
-+      { .compatible = "brcm,bcm6328-hsspi", },
-+      { },
-+};
-+
- static struct platform_driver bcm63xx_hsspi_driver = {
-       .driver = {
-               .name   = "bcm63xx-hsspi",
-               .pm     = &bcm63xx_hsspi_pm_ops,
-+              .of_match_table = bcm63xx_hsspi_of_match,
-       },
-       .probe          = bcm63xx_hsspi_probe,
-       .remove         = bcm63xx_hsspi_remove,