hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

fsl/fman: A007273 only applies to PPC SoCs 

Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Reviewed-by: Camelia Groza <camelia.groza@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Madalin Bucur 2016-12-19 22:42:45 +02:00 committed by David S. Miller
parent ae6021d4fc
commit 1e33099540
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/net/ethernet/freescale/fman/fman.c
View File

@ -1890,6 +1890,7 @@ static int fman_reset(struct fman *fman)
goto _return;
} else {
#ifdef CONFIG_PPC
struct device_node *guts_node;
struct ccsr_guts __iomem *guts_regs;
u32 devdisr2, reg;
@ -1921,6 +1922,7 @@ static int fman_reset(struct fman *fman)
/* Enable all MACs */
iowrite32be(reg, &guts_regs->devdisr2);
#endif
/* Perform FMan reset */
iowrite32be(FPM_RSTC_FM_RESET, &fman->fpm_regs->fm_rstc);
@ -1932,25 +1934,31 @@ static int fman_reset(struct fman *fman)
} while (((ioread32be(&fman->fpm_regs->fm_rstc)) &
FPM_RSTC_FM_RESET) && --count);
if (count == 0) {
#ifdef CONFIG_PPC
iounmap(guts_regs);
of_node_put(guts_node);
#endif
err = -EBUSY;
goto _return;
}
#ifdef CONFIG_PPC
/* Restore devdisr2 value */
iowrite32be(devdisr2, &guts_regs->devdisr2);
iounmap(guts_regs);
of_node_put(guts_node);
#endif
goto _return;
#ifdef CONFIG_PPC
guts_regs:
of_node_put(guts_node);
guts_node:
dev_dbg(fman->dev, "%s: Didn't perform FManV3 reset due to Errata A007273!\n",
__func__);
#endif
}
_return:
return err;