From 0c65b2b90d13c1deaee6449304dd367c5d4eb8ae Mon Sep 17 00:00:00 2001 From: Andrew Lunn Date: Mon, 4 Nov 2019 02:40:33 +0100 Subject: net: of_get_phy_mode: Change API to solve int/unit warnings Before this change of_get_phy_mode() returned an enum, phy_interface_t. On error, -ENODEV etc, is returned. If the result of the function is stored in a variable of type phy_interface_t, and the compiler has decided to represent this as an unsigned int, comparision with -ENODEV etc, is a signed vs unsigned comparision. Fix this problem by changing the API. Make the function return an error, or 0 on success, and pass a pointer, of type phy_interface_t, where the phy mode should be stored. v2: Return with *interface set to PHY_INTERFACE_MODE_NA on error. Add error checks to all users of of_get_phy_mode() Fixup a few reverse christmas tree errors Fixup a few slightly malformed reverse christmas trees v3: Fix 0-day reported errors. Reported-by: Dan Carpenter Signed-off-by: Andrew Lunn Signed-off-by: David S. Miller --- drivers/net/ethernet/ibm/emac/core.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'drivers/net/ethernet/ibm/emac') diff --git a/drivers/net/ethernet/ibm/emac/core.c b/drivers/net/ethernet/ibm/emac/core.c index 9e43c9ace9c2..2e40425d8a34 100644 --- a/drivers/net/ethernet/ibm/emac/core.c +++ b/drivers/net/ethernet/ibm/emac/core.c @@ -2849,6 +2849,7 @@ static int emac_init_config(struct emac_instance *dev) { struct device_node *np = dev->ofdev->dev.of_node; const void *p; + int err; /* Read config from device-tree */ if (emac_read_uint_prop(np, "mal-device", &dev->mal_ph, 1)) @@ -2897,8 +2898,8 @@ static int emac_init_config(struct emac_instance *dev) dev->mal_burst_size = 256; /* PHY mode needs some decoding */ - dev->phy_mode = of_get_phy_mode(np); - if (dev->phy_mode < 0) + err = of_get_phy_mode(np, &dev->phy_mode); + if (err) dev->phy_mode = PHY_INTERFACE_MODE_NA; /* Check EMAC version */ -- cgit v1.2.3-59-g8ed1b