From 7544bfc0866f56326e47f8ec8b3f68c6db496125 Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Tue, 3 Nov 2020 19:04:54 -0300 Subject: [PATCH] ARM: imx: imx7ulp: Add a comment explaining the B2 silicon version To help the users to understand the meaning of bits 31-28 of the JTAG_ID_REG register, add a comment explaining the value that is expected from a i.MX7ULP rev B2. Signed-off-by: Fabio Estevam Signed-off-by: Shawn Guo --- arch/arm/mach-imx/mach-imx7ulp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/mach-imx/mach-imx7ulp.c b/arch/arm/mach-imx/mach-imx7ulp.c index f6032ea7de8b..a3c8dadec1c5 100644 --- a/arch/arm/mach-imx/mach-imx7ulp.c +++ b/arch/arm/mach-imx/mach-imx7ulp.c @@ -37,6 +37,7 @@ static void __init imx7ulp_set_revision(void) * bit[31:28] of JTAG_ID register defines revision as below from B0: * 0001 B0 * 0010 B1 + * 0011 B2 */ switch (revision >> 28) { case 1: