openwrtv4/target/linux/brcm63xx/patches-4.4/001-4.15-10-bcm63xx_enet-do-not-rely-on-probe-order.patch

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From 71710bb6cbc82f411a4e5faafa0c3178e48e7137 Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jonas.gorski@gmail.com>
Date: Tue, 30 May 2017 13:31:45 +0200
Subject: [PATCH 3/6] bcm63xx_enet: do not rely on probe order
Do not rely on the shared device being probed before the enet(sw)
devices. This makes it easier to eventually move out the shared
device as a dma controller driver (what it should be).
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
---
drivers/net/ethernet/broadcom/bcm63xx_enet.c | 9 ++-------
1 file changed, 2 insertions(+), 7 deletions(-)
--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
@@ -1736,10 +1736,8 @@ static int bcm_enet_probe(struct platfor
const char *clk_name;
int i, ret;
- /* stop if shared driver failed, assume driver->probe will be
- * called in the same order we register devices (correct ?) */
if (!bcm_enet_shared_base[0])
- return -ENODEV;
+ return -EPROBE_DEFER;
res_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
res_irq_rx = platform_get_resource(pdev, IORESOURCE_IRQ, 1);
@@ -2720,11 +2718,8 @@ static int bcm_enetsw_probe(struct platf
struct resource *res_mem;
int ret, irq_rx, irq_tx;
- /* stop if shared driver failed, assume driver->probe will be
- * called in the same order we register devices (correct ?)
- */
if (!bcm_enet_shared_base[0])
- return -ENODEV;
+ return -EPROBE_DEFER;
res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
irq_rx = platform_get_irq(pdev, 0);