[Xen-devel] [XEN PATCH for-4.13 v3] xen/arm: platform: fix Raspberry Pi compatible string

[Stewart Hildebrand <stewart.hildebrand@xxxxxxxxxxxxxxx>]

Both upstream [1] and downstream [2] Linux kernels use "brcm,bcm2711"
as the compatible string for Raspberry Pi 4. Add this string to our
platform compatible list.

The brcm,bcm2838 convention is abandoned. Remove it.

Rename the variables within the file to a rpi4_* prefix since the file
is meant to cover the Raspberry Pi 4 platform.

If you are using a device tree with the old compatible string
brcm,bcm2838, you will need to upgrade your device tree to one that has
the new brcm,bcm2711 compatible string.

[1] https://patchwork.kernel.org/patch/11165407/
[2] 
https://github.com/raspberrypi/linux/commit/53fdd7b8c8cb9c87190caab4fd459f89e1b4a7f8

Signed-off-by: Stewart Hildebrand <stewart.hildebrand@xxxxxxxxxxxxxxx>

---
v2:
* Remove abandoned bcm2838 convention
* Rename variables within file with rpi4_* prefix

v3:
* Add note to commit message
* CC Juergen
---
 xen/arch/arm/platforms/brcm-raspberry-pi.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/xen/arch/arm/platforms/brcm-raspberry-pi.c 
b/xen/arch/arm/platforms/brcm-raspberry-pi.c
index e22d2b3184..b697fa2c6c 100644
--- a/xen/arch/arm/platforms/brcm-raspberry-pi.c
+++ b/xen/arch/arm/platforms/brcm-raspberry-pi.c
@@ -19,13 +19,13 @@
 
 #include <asm/platform.h>
 
-static const char *const brcm_bcm2838_dt_compat[] __initconst =
+static const char *const rpi4_dt_compat[] __initconst =
 {
-    "brcm,bcm2838",
+    "brcm,bcm2711",
     NULL
 };
 
-static const struct dt_device_match brcm_bcm2838_blacklist_dev[] __initconst =
+static const struct dt_device_match rpi4_blacklist_dev[] __initconst =
 {
     /*
      * The aux SPIs share an IRQ and a page with the aux UART.
@@ -40,9 +40,9 @@ static const struct dt_device_match 
brcm_bcm2838_blacklist_dev[] __initconst =
     { /* sentinel */ },
 };
 
-PLATFORM_START(brcm_bcm2838, "Raspberry Pi 4")
-    .compatible     = brcm_bcm2838_dt_compat,
-    .blacklist_dev  = brcm_bcm2838_blacklist_dev,
+PLATFORM_START(rpi4, "Raspberry Pi 4")
+    .compatible     = rpi4_dt_compat,
+    .blacklist_dev  = rpi4_blacklist_dev,
 PLATFORM_END
 
 /*
-- 
2.23.0


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