[src/trunk]: src/sys/arch/arm/nvidia sdhc: tegra: Set SDHC_FLAG_BROKEN_ADMA2_...

[jmcneill <jmcneill%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/77ac2a126492
branches:  trunk
changeset: 359989:77ac2a126492
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Sun Feb 06 15:40:55 2022 +0000

description:
sdhc: tegra: Set SDHC_FLAG_BROKEN_ADMA2_ZEROLEN quirk flag.

The Tegra SDHCI implementation apparently treats ADMA2 descriptors with
length of 0 incorrectly.

diffstat:

 sys/arch/arm/nvidia/tegra_sdhc.c |  7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diffs (28 lines):

diff -r e94cbf429b1b -r 77ac2a126492 sys/arch/arm/nvidia/tegra_sdhc.c
--- a/sys/arch/arm/nvidia/tegra_sdhc.c  Sun Feb 06 12:12:08 2022 +0000
+++ b/sys/arch/arm/nvidia/tegra_sdhc.c  Sun Feb 06 15:40:55 2022 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: tegra_sdhc.c,v 1.30 2022/01/22 15:10:30 skrll Exp $ */
+/* $NetBSD: tegra_sdhc.c,v 1.31 2022/02/06 15:40:55 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2015 Jared D. McNeill <jmcneill%invisible.ca@localhost>
@@ -31,7 +31,7 @@
 #include "locators.h"
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: tegra_sdhc.c,v 1.30 2022/01/22 15:10:30 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: tegra_sdhc.c,v 1.31 2022/02/06 15:40:55 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -130,7 +130,8 @@
                          SDHC_FLAG_SINGLE_POWER_WRITE |
                          SDHC_FLAG_NO_HS_BIT |
                          SDHC_FLAG_USE_DMA |
-                         SDHC_FLAG_USE_ADMA2;
+                         SDHC_FLAG_USE_ADMA2 |
+                         SDHC_FLAG_BROKEN_ADMA2_ZEROLEN;
        if (bus_width == 8) {
                sc->sc.sc_flags |= SDHC_FLAG_8BIT_MODE;
        }