lkml.org 
[lkml]   [2020]   [Nov]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v1] ARM: imx: mach-imx6q: correctly identify i.MX6QP SoCs
Date
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>
---

Tree: v5.10-rc2

To: Shawn Guo <shawnguo@kernel.org>
Cc: Russell King <linux@armlinux.org.uk>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: NXP Linux Team <linux-imx@nxp.com>
Cc: Anson Huang <Anson.Huang@nxp.com>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org

arch/arm/mach-imx/mach-imx6q.c | 9 +++++++--
1 file 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());
--
2.17.1
\
 
 \ /
  Last update: 2020-11-04 17:55    [W:0.053 / U:0.060 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site