diff options
Diffstat (limited to 'target/linux/generic/backport-5.15/740-v5.13-0006-net-dsa-b53-mmap-Add-device-tree-support.patch')
| -rw-r--r-- | target/linux/generic/backport-5.15/740-v5.13-0006-net-dsa-b53-mmap-Add-device-tree-support.patch | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/target/linux/generic/backport-5.15/740-v5.13-0006-net-dsa-b53-mmap-Add-device-tree-support.patch b/target/linux/generic/backport-5.15/740-v5.13-0006-net-dsa-b53-mmap-Add-device-tree-support.patch deleted file mode 100644 index c1014b20bc..0000000000 --- a/target/linux/generic/backport-5.15/740-v5.13-0006-net-dsa-b53-mmap-Add-device-tree-support.patch +++ /dev/null @@ -1,92 +0,0 @@ -From a5538a777b73b35750ed1ffff8c1ef539e861624 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com> -Date: Wed, 17 Mar 2021 10:23:17 +0100 -Subject: [PATCH] net: dsa: b53: mmap: Add device tree support -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Add device tree support to b53_mmap.c while keeping platform devices support. - -Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com> -Signed-off-by: David S. Miller <davem@davemloft.net> ---- - drivers/net/dsa/b53/b53_mmap.c | 55 ++++++++++++++++++++++++++++++++++ - 1 file changed, 55 insertions(+) - ---- a/drivers/net/dsa/b53/b53_mmap.c -+++ b/drivers/net/dsa/b53/b53_mmap.c -@@ -16,6 +16,7 @@ - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -+#include <linux/bits.h> - #include <linux/kernel.h> - #include <linux/module.h> - #include <linux/io.h> -@@ -228,11 +229,65 @@ static const struct b53_io_ops b53_mmap_ - .write64 = b53_mmap_write64, - }; - -+static int b53_mmap_probe_of(struct platform_device *pdev, -+ struct b53_platform_data **ppdata) -+{ -+ struct device_node *np = pdev->dev.of_node; -+ struct device_node *of_ports, *of_port; -+ struct device *dev = &pdev->dev; -+ struct b53_platform_data *pdata; -+ void __iomem *mem; -+ -+ mem = devm_platform_ioremap_resource(pdev, 0); -+ if (IS_ERR(mem)) -+ return PTR_ERR(mem); -+ -+ pdata = devm_kzalloc(dev, sizeof(struct b53_platform_data), -+ GFP_KERNEL); -+ if (!pdata) -+ return -ENOMEM; -+ -+ pdata->regs = mem; -+ pdata->chip_id = BCM63XX_DEVICE_ID; -+ pdata->big_endian = of_property_read_bool(np, "big-endian"); -+ -+ of_ports = of_get_child_by_name(np, "ports"); -+ if (!of_ports) { -+ dev_err(dev, "no ports child node found\n"); -+ return -EINVAL; -+ } -+ -+ for_each_available_child_of_node(of_ports, of_port) { -+ u32 reg; -+ -+ if (of_property_read_u32(of_port, "reg", ®)) -+ continue; -+ -+ if (reg < B53_CPU_PORT) -+ pdata->enabled_ports |= BIT(reg); -+ } -+ -+ of_node_put(of_ports); -+ *ppdata = pdata; -+ -+ return 0; -+} -+ - static int b53_mmap_probe(struct platform_device *pdev) - { -+ struct device_node *np = pdev->dev.of_node; - struct b53_platform_data *pdata = pdev->dev.platform_data; - struct b53_mmap_priv *priv; - struct b53_device *dev; -+ int ret; -+ -+ if (!pdata && np) { -+ ret = b53_mmap_probe_of(pdev, &pdata); -+ if (ret) { -+ dev_err(&pdev->dev, "OF probe error\n"); -+ return ret; -+ } -+ } - - if (!pdata) - return -EINVAL; |