linux-kernel - [PATCH] net: 8390: ne: Fix accidentally removed RBTX4927 support

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Date:   Wed, 16 May 2018 11:18:01 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     "David S . Miller" <davem@...emloft.net>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Dominik Brodowski <linux@...inikbrodowski.net>,
        Atsushi Nemoto <anemo@....ocn.ne.jp>, netdev@...r.kernel.org,
        linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: [PATCH] net: 8390: ne: Fix accidentally removed RBTX4927 support

The configuration settings for RBTX4927 were accidentally removed,
leading to a silently broken network interface.

Re-add the missing settings to fix this.

Fixes: 8eb97ff5a4ec941d ("net: 8390: remove m32r specific bits")
Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
---
Bisected between v4.9-rc2 (doh) and v4.17-rc5.

Note to myself: I should do more boot testing on RBTX4927.
Fortunately I caught it before it ends up in a point release ;-)
---
 drivers/net/ethernet/8390/ne.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/8390/ne.c b/drivers/net/ethernet/8390/ne.c
index ac99d089ac7266c3..1c97e39b478e9f89 100644
--- a/drivers/net/ethernet/8390/ne.c
+++ b/drivers/net/ethernet/8390/ne.c
@@ -164,7 +164,9 @@ bad_clone_list[] __initdata = {
 #define NESM_START_PG	0x40	/* First page of TX buffer */
 #define NESM_STOP_PG	0x80	/* Last page +1 of RX ring */
 
-#if defined(CONFIG_ATARI)	/* 8-bit mode on Atari, normal on Q40 */
+#if defined(CONFIG_MACH_TX49XX)
+#  define DCR_VAL 0x48		/* 8-bit mode */
+#elif defined(CONFIG_ATARI)	/* 8-bit mode on Atari, normal on Q40 */
 #  define DCR_VAL (MACH_IS_ATARI ? 0x48 : 0x49)
 #else
 #  define DCR_VAL 0x49
-- 
2.7.4