linux-kernel - [PATCH] net: ixp46x: fix ptp build failure

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Date:   Wed, 21 Jul 2021 17:19:32 +0200
From:   Arnd Bergmann <arnd@...nel.org>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>
Cc:     Arnd Bergmann <arnd@...db.de>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] net: ixp46x: fix ptp build failure

From: Arnd Bergmann <arnd@...db.de>

The rework of the ixp46x cpu detection left the network driver in
a half broken state:

drivers/net/ethernet/xscale/ptp_ixp46x.c: In function 'ptp_ixp_init':
drivers/net/ethernet/xscale/ptp_ixp46x.c:290:51: error: 'IXP4XX_TIMESYNC_BASE_VIRT' undeclared (first use in this function)
  290 |                 (struct ixp46x_ts_regs __iomem *) IXP4XX_TIMESYNC_BASE_VIRT;
      |                                                   ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/ethernet/xscale/ptp_ixp46x.c:290:51: note: each undeclared identifier is reported only once for each function it appears in
drivers/net/ethernet/xscale/ptp_ixp46x.c: At top level:
drivers/net/ethernet/xscale/ptp_ixp46x.c:323:1: error: data definition has no type or storage class [-Werror]
  323 | module_init(ptp_ixp_init);

I have patches to complete the transition for a future release, but
for the moment, add the missing include statements to get it to build
again.

Fixes: 09aa9aabdcc4 ("soc: ixp4xx: move cpu detection to linux/soc/ixp4xx/cpu.h")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/net/ethernet/xscale/ptp_ixp46x.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/xscale/ptp_ixp46x.c b/drivers/net/ethernet/xscale/ptp_ixp46x.c
index 99d4d9439d05..a6fb88fd42f7 100644
--- a/drivers/net/ethernet/xscale/ptp_ixp46x.c
+++ b/drivers/net/ethernet/xscale/ptp_ixp46x.c
@@ -14,6 +14,8 @@
 #include <linux/kernel.h>
 #include <linux/ptp_clock_kernel.h>
 #include <linux/soc/ixp4xx/cpu.h>
+#include <linux/module.h>
+#include <mach/ixp4xx-regs.h>
 
 #include "ixp46x_ts.h"
 
-- 
2.29.2