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net: usb: ax88179_178a: clean up pm calls
Instead of passing in_pm flags all over the place, use the private struct to handle in_pm mode. Signed-off-by: Justin Chen <justinpopo6@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Justin Chen
Jakub Kicinski
parent
9718f9ce5b
commit
843f92052d
@ -171,6 +171,7 @@ struct ax88179_data {
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u8 eee_active;
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u16 rxctl;
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u16 reserved;
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u8 in_pm;
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};
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struct ax88179_int_data {
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@ -187,15 +188,29 @@ static const struct {
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{7, 0xcc, 0x4c, 0x18, 8},
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};
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static void ax88179_set_pm_mode(struct usbnet *dev, bool pm_mode)
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{
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struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
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ax179_data->in_pm = pm_mode;
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}
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static int ax88179_in_pm(struct usbnet *dev)
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{
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struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
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return ax179_data->in_pm;
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}
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static int __ax88179_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
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u16 size, void *data, int in_pm)
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u16 size, void *data)
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{
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int ret;
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int (*fn)(struct usbnet *, u8, u8, u16, u16, void *, u16);
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BUG_ON(!dev);
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if (!in_pm)
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if (!ax88179_in_pm(dev))
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fn = usbnet_read_cmd;
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else
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fn = usbnet_read_cmd_nopm;
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@ -211,14 +226,14 @@ static int __ax88179_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
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}
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static int __ax88179_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
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u16 size, const void *data, int in_pm)
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u16 size, const void *data)
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{
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int ret;
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int (*fn)(struct usbnet *, u8, u8, u16, u16, const void *, u16);
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BUG_ON(!dev);
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if (!in_pm)
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if (!ax88179_in_pm(dev))
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fn = usbnet_write_cmd;
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else
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fn = usbnet_write_cmd_nopm;
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@ -251,47 +266,6 @@ static void ax88179_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value,
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}
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}
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static int ax88179_read_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value,
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u16 index, u16 size, void *data)
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{
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int ret;
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if (2 == size) {
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u16 buf;
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ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 1);
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le16_to_cpus(&buf);
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*((u16 *)data) = buf;
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} else if (4 == size) {
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u32 buf;
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ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 1);
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le32_to_cpus(&buf);
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*((u32 *)data) = buf;
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} else {
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ret = __ax88179_read_cmd(dev, cmd, value, index, size, data, 1);
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}
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return ret;
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}
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static int ax88179_write_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value,
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u16 index, u16 size, const void *data)
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{
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int ret;
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if (2 == size) {
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u16 buf;
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buf = *((u16 *)data);
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cpu_to_le16s(&buf);
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ret = __ax88179_write_cmd(dev, cmd, value, index,
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size, &buf, 1);
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} else {
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ret = __ax88179_write_cmd(dev, cmd, value, index,
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size, data, 1);
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}
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return ret;
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}
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static int ax88179_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
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u16 size, void *data)
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{
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@ -299,16 +273,16 @@ static int ax88179_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
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if (2 == size) {
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u16 buf = 0;
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ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 0);
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ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf);
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le16_to_cpus(&buf);
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*((u16 *)data) = buf;
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} else if (4 == size) {
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u32 buf = 0;
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ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 0);
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ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf);
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le32_to_cpus(&buf);
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*((u32 *)data) = buf;
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} else {
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ret = __ax88179_read_cmd(dev, cmd, value, index, size, data, 0);
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ret = __ax88179_read_cmd(dev, cmd, value, index, size, data);
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}
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return ret;
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@ -324,10 +298,10 @@ static int ax88179_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
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buf = *((u16 *)data);
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cpu_to_le16s(&buf);
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ret = __ax88179_write_cmd(dev, cmd, value, index,
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size, &buf, 0);
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size, &buf);
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} else {
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ret = __ax88179_write_cmd(dev, cmd, value, index,
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size, data, 0);
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size, data);
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}
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return ret;
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@ -430,52 +404,46 @@ static int ax88179_suspend(struct usb_interface *intf, pm_message_t message)
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u16 tmp16;
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u8 tmp8;
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ax88179_set_pm_mode(dev, true);
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usbnet_suspend(intf, message);
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/* Disable RX path */
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ax88179_read_cmd_nopm(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
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2, 2, &tmp16);
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ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
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2, 2, &tmp16);
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tmp16 &= ~AX_MEDIUM_RECEIVE_EN;
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ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
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2, 2, &tmp16);
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ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
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2, 2, &tmp16);
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/* Force bulk-in zero length */
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ax88179_read_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
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2, 2, &tmp16);
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ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
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2, 2, &tmp16);
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tmp16 |= AX_PHYPWR_RSTCTL_BZ | AX_PHYPWR_RSTCTL_IPRL;
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ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
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2, 2, &tmp16);
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ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
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2, 2, &tmp16);
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/* change clock */
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tmp8 = 0;
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ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
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ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
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/* Configure RX control register => stop operation */
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tmp16 = AX_RX_CTL_STOP;
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ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &tmp16);
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ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &tmp16);
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ax88179_set_pm_mode(dev, false);
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return 0;
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}
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/* This function is used to enable the autodetach function. */
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/* This function is determined by offset 0x43 of EEPROM */
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static int ax88179_auto_detach(struct usbnet *dev, int in_pm)
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static int ax88179_auto_detach(struct usbnet *dev)
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{
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u16 tmp16;
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u8 tmp8;
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int (*fnr)(struct usbnet *, u8, u16, u16, u16, void *);
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int (*fnw)(struct usbnet *, u8, u16, u16, u16, const void *);
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if (!in_pm) {
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fnr = ax88179_read_cmd;
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fnw = ax88179_write_cmd;
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} else {
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fnr = ax88179_read_cmd_nopm;
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fnw = ax88179_write_cmd_nopm;
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}
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if (fnr(dev, AX_ACCESS_EEPROM, 0x43, 1, 2, &tmp16) < 0)
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if (ax88179_read_cmd(dev, AX_ACCESS_EEPROM, 0x43, 1, 2, &tmp16) < 0)
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return 0;
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if ((tmp16 == 0xFFFF) || (!(tmp16 & 0x0100)))
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@ -483,13 +451,13 @@ static int ax88179_auto_detach(struct usbnet *dev, int in_pm)
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/* Enable Auto Detach bit */
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tmp8 = 0;
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fnr(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
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ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
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tmp8 |= AX_CLK_SELECT_ULR;
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fnw(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
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ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
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fnr(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16);
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ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16);
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tmp16 |= AX_PHYPWR_RSTCTL_AT;
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fnw(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16);
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ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16);
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return 0;
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}
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@ -500,32 +468,36 @@ static int ax88179_resume(struct usb_interface *intf)
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u16 tmp16;
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u8 tmp8;
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ax88179_set_pm_mode(dev, true);
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usbnet_link_change(dev, 0, 0);
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/* Power up ethernet PHY */
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tmp16 = 0;
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ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
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2, 2, &tmp16);
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ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
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2, 2, &tmp16);
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udelay(1000);
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tmp16 = AX_PHYPWR_RSTCTL_IPRL;
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ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
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2, 2, &tmp16);
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ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
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2, 2, &tmp16);
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msleep(200);
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/* Ethernet PHY Auto Detach*/
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ax88179_auto_detach(dev, 1);
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ax88179_auto_detach(dev);
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/* Enable clock */
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ax88179_read_cmd_nopm(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
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ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
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tmp8 |= AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS;
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ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
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ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
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msleep(100);
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/* Configure RX control register => start operation */
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tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START |
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AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB;
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ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &tmp16);
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ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &tmp16);
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ax88179_set_pm_mode(dev, false);
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return usbnet_resume(intf);
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}
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@ -601,8 +573,7 @@ ax88179_get_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
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/* ax88179/178A returns 2 bytes from eeprom on read */
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for (i = first_word; i <= last_word; i++) {
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ret = __ax88179_read_cmd(dev, AX_ACCESS_EEPROM, i, 1, 2,
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&eeprom_buff[i - first_word],
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0);
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&eeprom_buff[i - first_word]);
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if (ret < 0) {
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kfree(eeprom_buff);
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return -EIO;
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@ -1071,7 +1042,7 @@ static int ax88179_check_eeprom(struct usbnet *dev)
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} while (buf & EEP_BUSY);
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__ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_DATA_LOW,
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2, 2, &eeprom[i * 2], 0);
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2, 2, &eeprom[i * 2]);
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if ((i == 0) && (eeprom[0] == 0xFF))
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return -EINVAL;
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@ -1640,7 +1611,7 @@ static int ax88179_reset(struct usbnet *dev)
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msleep(100);
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/* Ethernet PHY Auto Detach*/
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ax88179_auto_detach(dev, 0);
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ax88179_auto_detach(dev);
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/* Read MAC address from DTB or asix chip */
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ax88179_get_mac_addr(dev);
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