Hi,
On 24-08-15 09:46, Maxime Ripard wrote:
Hi Hans,
On Sun, Aug 23, 2015 at 08:31:38PM +0200, Hans de Goede wrote:
Claim the emac sram ourselves, rather then relying on the bootloader
having mapped the sram to the emac controller during boot.
Signed-off-by: Hans de Goede <hdego...@redhat.com>
---
drivers/net/ethernet/allwinner/sun4i-emac.c | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c
b/drivers/net/ethernet/allwinner/sun4i-emac.c
index bab01c84..48ce83e 100644
--- a/drivers/net/ethernet/allwinner/sun4i-emac.c
+++ b/drivers/net/ethernet/allwinner/sun4i-emac.c
@@ -28,6 +28,7 @@
#include <linux/of_platform.h>
#include <linux/platform_device.h>
#include <linux/phy.h>
+#include <linux/soc/sunxi/sunxi_sram.h>
#include "sun4i-emac.h"
@@ -857,11 +858,17 @@ static int emac_probe(struct platform_device *pdev)
clk_prepare_enable(db->clk);
+ ret = sunxi_sram_claim(&pdev->dev);
+ if (ret) {
+ dev_err(&pdev->dev, "Error couldn't map SRAM to device\n");
+ goto out;
Shouldn't you disable you clock too?
You're right, but that is a pre-existing problem, iow an unrelated issue.
I've put doing a follow-up patch for this on my todo list.
Regards,
Hans
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