[PATCH 07/19] ARM: layerscape: drop wrong errata workaround

Sascha Hauer s.hauer at pengutronix.de
Thu Jan 4 06:17:34 PST 2024


set_usb_txvreftune() works on the USB Parameter 1 Control Register.
USB Parameter 2 Control Register has a different register layout and
calling set_usb_txvreftune() on it is wrong. Drop the bogus errata
workaround.

Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
 arch/arm/mach-layerscape/errata.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/arch/arm/mach-layerscape/errata.c b/arch/arm/mach-layerscape/errata.c
index c03c092755..a193c061bc 100644
--- a/arch/arm/mach-layerscape/errata.c
+++ b/arch/arm/mach-layerscape/errata.c
@@ -71,13 +71,6 @@ static void erratum_a009008_ls1046a(void)
 	set_usb_txvreftune(scfg, SCFG_USB3PRM1CR_USB3);
 }
 
-static void erratum_a009008_ls1021a(void)
-{
-	u32 __iomem *scfg = IOMEM(LSCH2_SCFG_ADDR);
-
-	set_usb_txvreftune(scfg, SCFG_USB3PRM2CR_USB1);
-}
-
 static inline void set_usb_sqrxtune(u32 __iomem *scfg, u32 offset)
 {
 	scfg_clrbits32(scfg + offset / 4, SCFG_USB_SQRXTUNE_MASK << 23);
@@ -139,7 +132,6 @@ void ls1021a_errata(void)
 	erratum_a009798_ls1021a();
 	erratum_a008997_ls1021a();
 	erratum_a009007_ls1021a();
-	erratum_a009008_ls1021a();
 }
 
 static void erratum_a008850_post(void)
-- 
2.39.2




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