linux-kernel - [PATCH 3/4] net: stmmac: dwmac-generic: add missing compatible strings

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Message-ID: <1479911104-19864-1-git-send-email-niklass@axis.com>
Date:   Wed, 23 Nov 2016 15:25:04 +0100
From:   Niklas Cassel <niklas.cassel@...s.com>
To:     Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>
CC:     Niklas Cassel <niklass@...s.com>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH 3/4] net: stmmac: dwmac-generic: add missing compatible strings

From: Niklas Cassel <niklas.cassel@...s.com>

devicetree binding for stmmac states:
- compatible: Should be "snps,dwmac-<ip_version>", "snps,dwmac"
	For backwards compatibility: "st,spear600-gmac" is also supported.

Since dwmac-generic.c calls stmmac_probe_config_dt explicitly,
another alternative would have been to remove all compatible strings
other than "snps,dwmac" and "st,spear600-gmac" from dwmac-generic.c.

However, that would probably do more good than harm, since when trying
to figure out what hardware a certain driver supports, you usually look
at the compatible strings in the struct of_device_id, and not in some
function defined in a completely different file.

No functional change intended.

Signed-off-by: Niklas Cassel <niklas.cassel@...s.com>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c
index b1e5f24708c9..52cd365b8e5e 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c
@@ -58,9 +58,12 @@ static int dwmac_generic_probe(struct platform_device *pdev)
 
 static const struct of_device_id dwmac_generic_match[] = {
 	{ .compatible = "st,spear600-gmac"},
+	{ .compatible = "snps,dwmac-3.50a"},
 	{ .compatible = "snps,dwmac-3.610"},
 	{ .compatible = "snps,dwmac-3.70a"},
 	{ .compatible = "snps,dwmac-3.710"},
+	{ .compatible = "snps,dwmac-4.00"},
+	{ .compatible = "snps,dwmac-4.10a"},
 	{ .compatible = "snps,dwmac"},
 	{ }
 };
-- 
2.1.4