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authorSven Van Asbroeck <thesven73@gmail.com>2020-11-04 11:54:18 -0500
committerShawn Guo <shawnguo@kernel.org>2020-11-10 10:21:32 +0800
commit53cc6bc69e536efe6c1cef98edfb7b3f0a14fabe (patch)
tree7a98095cac0848c0cc35b0d46754300eb3be4495 /arch/arm/mach-imx/mach-imx6q.c
parentARM: imx: imx7ulp: Add a comment explaining the B2 silicon version (diff)
downloadlinux-dev-53cc6bc69e536efe6c1cef98edfb7b3f0a14fabe.tar.xz
linux-dev-53cc6bc69e536efe6c1cef98edfb7b3f0a14fabe.zip
ARM: imx: mach-imx6q: correctly identify i.MX6QP SoCs
The i.MX6QP rev 1.1 SoC on my board is mis-identified by Linux: the log (incorrectly) shows "i.MX6Q rev 2.1". Correct this by assuming that every SoC that identifies as i.MX6Q with rev >= 2.0 is really an i.MX6QP. Signed-off-by: Sven Van Asbroeck <TheSven73@gmail.com> Reviewed-by: Fabio Estevam <festevam@gmail.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm/mach-imx/mach-imx6q.c')
-rw-r--r--arch/arm/mach-imx/mach-imx6q.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c
index 85c084a716ab..703998ebb52e 100644
--- a/arch/arm/mach-imx/mach-imx6q.c
+++ b/arch/arm/mach-imx/mach-imx6q.c
@@ -245,8 +245,13 @@ static void __init imx6q_axi_init(void)
static void __init imx6q_init_machine(void)
{
- if (cpu_is_imx6q() && imx_get_soc_revision() == IMX_CHIP_REVISION_2_0)
- imx_print_silicon_rev("i.MX6QP", IMX_CHIP_REVISION_1_0);
+ if (cpu_is_imx6q() && imx_get_soc_revision() >= IMX_CHIP_REVISION_2_0)
+ /*
+ * SoCs that identify as i.MX6Q >= rev 2.0 are really i.MX6QP.
+ * Quirk: i.MX6QP revision = i.MX6Q revision - (1, 0),
+ * e.g. i.MX6QP rev 1.1 identifies as i.MX6Q rev 2.1.
+ */
+ imx_print_silicon_rev("i.MX6QP", imx_get_soc_revision() - 0x10);
else
imx_print_silicon_rev(cpu_is_imx6dl() ? "i.MX6DL" : "i.MX6Q",
imx_get_soc_revision());