diff options
| author | Chunfeng Yun | 2019-03-21 03:53:43 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2019-03-26 08:40:13 +0100 |
| commit | 4c5964b4c2cbeca2f61e93bb004416bd9c1f1145 (patch) | |
| tree | 405085a3113a862ce1aa05572f6853207eeec176 /drivers/usb/mtu3/mtu3_core.c | |
| parent | usb: mtu3: rebuild the code of getting vbus regulator (diff) | |
| download | kernel-qcow2-linux-4c5964b4c2cbeca2f61e93bb004416bd9c1f1145.tar.gz kernel-qcow2-linux-4c5964b4c2cbeca2f61e93bb004416bd9c1f1145.tar.xz kernel-qcow2-linux-4c5964b4c2cbeca2f61e93bb004416bd9c1f1145.zip | |
usb: mtu3: fix transfer error of USB3 Gen2 isoc
To support USB3 Gen2 ISOC, the registers of TXCSR1 and RXCSR1
are adjusted to support greater maxpkt and mult value, this
patch fix this issue
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/mtu3/mtu3_core.c')
| -rw-r--r-- | drivers/usb/mtu3/mtu3_core.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/usb/mtu3/mtu3_core.c b/drivers/usb/mtu3/mtu3_core.c index 4fee200795a5..ef27c2052ad6 100644 --- a/drivers/usb/mtu3/mtu3_core.c +++ b/drivers/usb/mtu3/mtu3_core.c @@ -299,6 +299,7 @@ int mtu3_config_ep(struct mtu3 *mtu, struct mtu3_ep *mep, int interval, int burst, int mult) { void __iomem *mbase = mtu->mac_base; + bool gen2cp = mtu->gen2cp; int epnum = mep->epnum; u32 csr0, csr1, csr2; int fifo_sgsz, fifo_addr; @@ -319,7 +320,7 @@ int mtu3_config_ep(struct mtu3 *mtu, struct mtu3_ep *mep, num_pkts = (burst + 1) * (mult + 1) - 1; csr1 = TX_SS_BURST(burst) | TX_SLOT(mep->slot); - csr1 |= TX_MAX_PKT(num_pkts) | TX_MULT(mult); + csr1 |= TX_MAX_PKT(gen2cp, num_pkts) | TX_MULT(gen2cp, mult); csr2 = TX_FIFOADDR(fifo_addr >> 4); csr2 |= TX_FIFOSEGSIZE(fifo_sgsz); @@ -355,7 +356,7 @@ int mtu3_config_ep(struct mtu3 *mtu, struct mtu3_ep *mep, num_pkts = (burst + 1) * (mult + 1) - 1; csr1 = RX_SS_BURST(burst) | RX_SLOT(mep->slot); - csr1 |= RX_MAX_PKT(num_pkts) | RX_MULT(mult); + csr1 |= RX_MAX_PKT(gen2cp, num_pkts) | RX_MULT(gen2cp, mult); csr2 = RX_FIFOADDR(fifo_addr >> 4); csr2 |= RX_FIFOSEGSIZE(fifo_sgsz); @@ -749,13 +750,14 @@ static irqreturn_t mtu3_irq(int irq, void *data) static int mtu3_hw_init(struct mtu3 *mtu) { - u32 cap_dev; + u32 value; int ret; - mtu->hw_version = mtu3_readl(mtu->ippc_base, U3D_SSUSB_HW_ID); + value = mtu3_readl(mtu->ippc_base, U3D_SSUSB_IP_TRUNK_VERS); + mtu->hw_version = IP_TRUNK_VERS(value); - cap_dev = mtu3_readl(mtu->ippc_base, U3D_SSUSB_IP_DEV_CAP); - mtu->is_u3_ip = !!SSUSB_IP_DEV_U3_PORT_NUM(cap_dev); + value = mtu3_readl(mtu->ippc_base, U3D_SSUSB_IP_DEV_CAP); + mtu->is_u3_ip = !!SSUSB_IP_DEV_U3_PORT_NUM(value); dev_info(mtu->dev, "IP version 0x%x(%s IP)\n", mtu->hw_version, mtu->is_u3_ip ? "U3" : "U2"); |