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ravb: Support 1Gbps on R-Car H3 ES1.1+ and R-Car M3-W 

The limitation to 10/100Mbit speeds on R-Car Gen3 is valid for R-Car H3
ES1.0 only. Check for the exact SoC model to allow 1Gbps on newer
revisions of R-Car H3, and on R-Car M3-W.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Geert Uytterhoeven 2017-01-27 20:46:27 +01:00 committed by David S. Miller
parent 61fccb2d62
commit 0e98f9d5f0
1 changed files with 8 additions and 2 deletions
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10
drivers/net/ethernet/renesas/ravb_main.c
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@ -31,6 +31,7 @@
#include <linux/pm_runtime.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/sys_soc.h>
#include <asm/div64.h>
@ -988,6 +989,11 @@ static void ravb_adjust_link(struct net_device *ndev)
phy_print_status(phydev);
}
static const struct soc_device_attribute r8a7795es10[] = {
{ .soc_id = "r8a7795", .revision = "ES1.0", },
{ /* sentinel */ }
};
/* PHY init function */
static int ravb_phy_init(struct net_device *ndev)
{
@ -1023,10 +1029,10 @@ static int ravb_phy_init(struct net_device *ndev)
goto err_deregister_fixed_link;
}
/* This driver only support 10/100Mbit speeds on Gen3
/* This driver only support 10/100Mbit speeds on R-Car H3 ES1.0
* at this time.
*/
if (priv->chip_id == RCAR_GEN3) {
if (soc_device_match(r8a7795es10)) {
err = phy_set_max_speed(phydev, SPEED_100);
if (err) {
netdev_err(ndev, "failed to limit PHY to 100Mbit/s\n");