| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Wed, 19 Nov 2014 12:59:22 +0100
From: Johan Hovold <johan@...nel.org>
To: Florian Fainelli <f.fainelli@...il.com>
Cc: "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org, Bruno Thomsen <bth@...strup.dk>,
Sascha Hauer <s.hauer@...gutronix.de>,
Mark Rutland <mark.rutland@....com>,
Johan Hovold <johan@...nel.org>
Subject: [PATCH 09/10] net: phy: micrel: refactor interrupt config
Add generic interrupt-config callback and store interrupt-level bitmask
in type data for PHY types not using bit 9.
Signed-off-by: Johan Hovold <johan@...nel.org>
---
drivers/net/phy/micrel.c | 71 ++++++++++++++++++++----------------------------
1 file changed, 29 insertions(+), 42 deletions(-)
diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index 04fbee846b66..d7eb7b0e6d4e 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -55,8 +55,6 @@
#define MII_KSZPHY_CTRL MII_KSZPHY_CTRL_2
/* bitmap of PHY register to set interrupt mode */
#define KSZPHY_CTRL_INT_ACTIVE_HIGH BIT(9)
-#define KSZ9021_CTRL_INT_ACTIVE_HIGH BIT(14)
-#define KS8737_CTRL_INT_ACTIVE_HIGH BIT(14)
#define KSZPHY_RMII_REF_CLK_SEL BIT(7)
/* Write/read to/from extended registers */
@@ -75,6 +73,7 @@
struct kszphy_type {
u32 led_mode_reg;
+ u16 interrupt_level_mask;
bool has_broadcast_disable;
bool has_rmii_ref_clk_sel;
};
@@ -105,6 +104,14 @@ static const struct kszphy_type ksz8081_type = {
.has_rmii_ref_clk_sel = true,
};
+static const struct kszphy_type ks8737_type = {
+ .interrupt_level_mask = BIT(14),
+};
+
+static const struct kszphy_type ksz9021_type = {
+ .interrupt_level_mask = BIT(14),
+};
+
static int kszphy_extended_write(struct phy_device *phydev,
u32 regnum, u16 val)
{
@@ -129,54 +136,31 @@ static int kszphy_ack_interrupt(struct phy_device *phydev)
return (rc < 0) ? rc : 0;
}
-static int kszphy_set_interrupt(struct phy_device *phydev)
-{
- int temp;
- temp = (PHY_INTERRUPT_ENABLED == phydev->interrupts) ?
- KSZPHY_INTCS_ALL : 0;
- return phy_write(phydev, MII_KSZPHY_INTCS, temp);
-}
-
static int kszphy_config_intr(struct phy_device *phydev)
{
- int temp, rc;
-
- /* set the interrupt pin active low */
- temp = phy_read(phydev, MII_KSZPHY_CTRL);
- if (temp < 0)
- return temp;
- temp &= ~KSZPHY_CTRL_INT_ACTIVE_HIGH;
- phy_write(phydev, MII_KSZPHY_CTRL, temp);
- rc = kszphy_set_interrupt(phydev);
- return rc < 0 ? rc : 0;
-}
+ const struct kszphy_type *type = phydev->drv->driver_data;
+ int temp;
+ u16 mask;
-static int ksz9021_config_intr(struct phy_device *phydev)
-{
- int temp, rc;
+ if (type && type->interrupt_level_mask)
+ mask = type->interrupt_level_mask;
+ else
+ mask = KSZPHY_CTRL_INT_ACTIVE_HIGH;
/* set the interrupt pin active low */
temp = phy_read(phydev, MII_KSZPHY_CTRL);
if (temp < 0)
return temp;
- temp &= ~KSZ9021_CTRL_INT_ACTIVE_HIGH;
+ temp &= ~mask;
phy_write(phydev, MII_KSZPHY_CTRL, temp);
- rc = kszphy_set_interrupt(phydev);
- return rc < 0 ? rc : 0;
-}
-static int ks8737_config_intr(struct phy_device *phydev)
-{
- int temp, rc;
+ /* enable / disable interrupts */
+ if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
+ temp = KSZPHY_INTCS_ALL;
+ else
+ temp = 0;
- /* set the interrupt pin active low */
- temp = phy_read(phydev, MII_KSZPHY_CTRL);
- if (temp < 0)
- return temp;
- temp &= ~KS8737_CTRL_INT_ACTIVE_HIGH;
- phy_write(phydev, MII_KSZPHY_CTRL, temp);
- rc = kszphy_set_interrupt(phydev);
- return rc < 0 ? rc : 0;
+ return phy_write(phydev, MII_KSZPHY_INTCS, temp);
}
static int kszphy_rmii_clk_sel(struct phy_device *phydev, bool val)
@@ -581,11 +565,12 @@ static struct phy_driver ksphy_driver[] = {
.name = "Micrel KS8737",
.features = (PHY_BASIC_FEATURES | SUPPORTED_Pause),
.flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
+ .driver_data = &ks8737_type,
.config_init = kszphy_config_init,
.config_aneg = genphy_config_aneg,
.read_status = genphy_read_status,
.ack_interrupt = kszphy_ack_interrupt,
- .config_intr = ks8737_config_intr,
+ .config_intr = kszphy_config_intr,
.suspend = genphy_suspend,
.resume = genphy_resume,
.driver = { .owner = THIS_MODULE,},
@@ -726,11 +711,12 @@ static struct phy_driver ksphy_driver[] = {
.name = "Micrel KSZ9021 Gigabit PHY",
.features = (PHY_GBIT_FEATURES | SUPPORTED_Pause),
.flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
+ .driver_data = &ksz9021_type,
.config_init = ksz9021_config_init,
.config_aneg = genphy_config_aneg,
.read_status = genphy_read_status,
.ack_interrupt = kszphy_ack_interrupt,
- .config_intr = ksz9021_config_intr,
+ .config_intr = kszphy_config_intr,
.suspend = genphy_suspend,
.resume = genphy_resume,
.read_mmd_indirect = ksz9021_rd_mmd_phyreg,
@@ -742,11 +728,12 @@ static struct phy_driver ksphy_driver[] = {
.name = "Micrel KSZ9031 Gigabit PHY",
.features = (PHY_GBIT_FEATURES | SUPPORTED_Pause),
.flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
+ .driver_data = &ksz9021_type,
.config_init = ksz9031_config_init,
.config_aneg = genphy_config_aneg,
.read_status = genphy_read_status,
.ack_interrupt = kszphy_ack_interrupt,
- .config_intr = ksz9021_config_intr,
+ .config_intr = kszphy_config_intr,
.suspend = genphy_suspend,
.resume = genphy_resume,
.driver = { .owner = THIS_MODULE, },
--
2.0.4
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists