diff options
Diffstat (limited to 'arch/powerpc/sysdev/fsl_lbc.c')
| -rw-r--r-- | arch/powerpc/sysdev/fsl_lbc.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/arch/powerpc/sysdev/fsl_lbc.c b/arch/powerpc/sysdev/fsl_lbc.c index 4fcb5a4e60d..d917573cf1a 100644 --- a/arch/powerpc/sysdev/fsl_lbc.c +++ b/arch/powerpc/sysdev/fsl_lbc.c @@ -184,7 +184,8 @@ int fsl_upm_run_pattern(struct fsl_upm *upm, void __iomem *io_base, u32 mar) } EXPORT_SYMBOL(fsl_upm_run_pattern); -static int __devinit fsl_lbc_ctrl_init(struct fsl_lbc_ctrl *ctrl) +static int __devinit fsl_lbc_ctrl_init(struct fsl_lbc_ctrl *ctrl, + struct device_node *node) { struct fsl_lbc_regs __iomem *lbc = ctrl->regs; @@ -195,8 +196,9 @@ static int __devinit fsl_lbc_ctrl_init(struct fsl_lbc_ctrl *ctrl) out_be32(&lbc->lteccr, LTECCR_CLEAR); out_be32(&lbc->ltedr, LTEDR_ENABLE); - /* Enable interrupts for any detected events */ - out_be32(&lbc->lteir, LTEIR_ENABLE); + /* Set the monitor timeout value to the maximum for erratum A001 */ + if (of_device_is_compatible(node, "fsl,elbc")) + clrsetbits_be32(&lbc->lbcr, LBCR_BMT, LBCR_BMTPS); return 0; } @@ -304,7 +306,7 @@ static int __devinit fsl_lbc_ctrl_probe(struct platform_device *dev) fsl_lbc_ctrl_dev->dev = &dev->dev; - ret = fsl_lbc_ctrl_init(fsl_lbc_ctrl_dev); + ret = fsl_lbc_ctrl_init(fsl_lbc_ctrl_dev, dev->dev.of_node); if (ret < 0) goto err; @@ -317,6 +319,9 @@ static int __devinit fsl_lbc_ctrl_probe(struct platform_device *dev) goto err; } + /* Enable interrupts for any detected events */ + out_be32(&fsl_lbc_ctrl_dev->regs->lteir, LTEIR_ENABLE); + return 0; err: |