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| author | Shin <cm2.shin@samsung.com> | 2024-02-02 19:34:06 +0900 |
|---|---|---|
| committer | Petri Gynther <pgynther@google.com> | 2024-02-16 18:51:26 -0800 |
| commit | cfccd74d97659bbc625775dadf73b45001edc9b3 (patch) | |
| tree | 24c658cec962f203bb3165c1852e340cd79f8975 | |
| parent | e02a0548ec8d294ec19a25dcd09e9d5fe0701164 (diff) | |
| download | gs-cfccd74d97659bbc625775dadf73b45001edc9b3.tar.gz | |
usb: phy: fix LFPS Rx sensitivity
Bug: 308680806
Bug: 324004648
Signed-off-by: Shin <cm2.shin@samsung.com>
Change-Id: I0be0ec68b7f9ca80ebcac366d7cc2a2c6c7fc2fa
| -rw-r--r-- | drivers/phy/samsung/phy-exynos-snps-usbdp.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/phy/samsung/phy-exynos-snps-usbdp.c b/drivers/phy/samsung/phy-exynos-snps-usbdp.c index 937526e2f..94adeea68 100644 --- a/drivers/phy/samsung/phy-exynos-snps-usbdp.c +++ b/drivers/phy/samsung/phy-exynos-snps-usbdp.c @@ -812,6 +812,11 @@ static int additional_cr_reg_update(struct exynos_usbphy_info *info) return -1; } + /* LFPS threshold control */ + cr_reg = phy_exynos_snps_usbdp_cr_read(info, CRREG_LANE_RX(0x10f0)); + cr_reg &= ~(1 << 3); + phy_exynos_snps_usbdp_cr_write(info, CRREG_LANE_RX(0x10f0), cr_reg); + cr_reg = phy_exynos_snps_usbdp_cr_read(info, 0x003D); pr_debug("PMA version:%#04x\n", cr_reg); |