-----Original Message----- From: Tan, Ley Foon Sent: Friday, May 4, 2018 5:49 AM To: u-boot@lists.denx.de Cc: Marek Vasut marex@denx.de; Ley Foon Tan lftan.linux@gmail.com; See, Chin Liang chin.liang.see@intel.com; Nguyen, Dinh dinh.nguyen@intel.com; Tan, Ley Foon ley.foon.tan@intel.com Subject: [PATCH v2 3/3] net: designware: Add reset ctrl to driver
Add code to reset all reset signals as in Ethernet DT node. A reset property is an optional feature, so only print out a warning and do not fail if a reset property is not present.
If a reset property is discovered, then use it to deassert, thus bringing the IP out of reset.
Signed-off-by: Ley Foon Tan ley.foon.tan@intel.com
drivers/net/designware.c | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/drivers/net/designware.c b/drivers/net/designware.c index 765e356..03ef1eb 100644 --- a/drivers/net/designware.c +++ b/drivers/net/designware.c @@ -16,6 +16,7 @@ #include <miiphy.h> #include <malloc.h> #include <pci.h> +#include <reset.h> #include <linux/compiler.h> #include <linux/err.h> #include <linux/kernel.h> @@ -711,6 +712,16 @@ int designware_eth_probe(struct udevice *dev) } #endif
+#ifdef CONFIG_DM_RESET
You don't need the above wrapper. It's already checked in reset.h
- struct reset_ctl_bulk reset_bulk;
- ret = reset_get_bulk(dev, &reset_bulk);
- if (ret)
dev_warn(dev, "Can't get reset: %d\n", ret);- else
reset_deassert_bulk(&reset_bulk);+#endif
#ifdef CONFIG_DM_PCI /* * If we are on PCI bus, either directly attached to a PCI root port, -- 1.7.1