bcm27xx: add linux 5.4 support

Tested on bcm2710 (Raspberry Pi 3B).

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 25 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.4/950-0361-v3d_drv-Handle-missing-clock-more-gracefully.patch b/target/linux/bcm27xx/patches-5.4/950-0361-v3d_drv-Handle-missing-clock-more-gracefully.patch
new file mode 100644
index 0000000000..812d6f1311
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0361-v3d_drv-Handle-missing-clock-more-gracefully.patch
@@ -0,0 +1,25 @@
+From 43406ddc1adaebe9b03d010fd024a96cee139cc2 Mon Sep 17 00:00:00 2001
+From: popcornmix <popcornmix@gmail.com>
+Date: Fri, 23 Aug 2019 16:34:38 +0100
+Subject: [PATCH] v3d_drv: Handle missing clock more gracefully
+
+Signed-off-by: popcornmix <popcornmix@gmail.com>
+---
+ drivers/gpu/drm/v3d/v3d_drv.c | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+--- a/drivers/gpu/drm/v3d/v3d_drv.c
++++ b/drivers/gpu/drm/v3d/v3d_drv.c
+@@ -286,9 +286,9 @@ static int v3d_platform_drm_probe(struct
+ 	}
+ 
+ 	v3d->clk = devm_clk_get(dev, NULL);
+-	if (IS_ERR(v3d->clk)) {
+-		if (ret != -EPROBE_DEFER)
+-			dev_err(dev, "Failed to get clock\n");
++	if (IS_ERR_OR_NULL(v3d->clk)) {
++		if (PTR_ERR(v3d->clk) != -EPROBE_DEFER)
++			dev_err(dev, "Failed to get clock (%ld)\n", PTR_ERR(v3d->clk));
+ 		goto dev_free;
+ 	}
+ 	v3d->clk_up_rate = clk_get_rate(v3d->clk);