| Message ID | 20170718064821.3668-1-jszhang@marvell.com (mailing list archive) |
|---|---|
| State | New, archived |
| Delegated to: | Bjorn Helgaas |
| Headers | show |
On Tuesday, July 18, 2017 2:48 AM, Jisheng Zhang wrote: > > The ATU CTRL2 register is 32 bit, besides the enable bit, other bits > may also be set. To check whether the ATU is enabled or not, we should > test the enable bit. > > Signed-off-by: Jisheng Zhang <jszhang@marvell.com> > Acked-by: Joao Pinto <jpinto@synopsys.com> Acked-by: Jingoo Han <jingoohan1@gmail.com> Best regards, Jingoo Han > --- > Since v1: > - Add Joao's Ack > - Fix typo in commit msg, thank Jingoo > > drivers/pci/dwc/pcie-designware.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/pci/dwc/pcie-designware.c b/drivers/pci/dwc/pcie- > designware.c > index 0e03af279259..6bf0b409050a 100644 > --- a/drivers/pci/dwc/pcie-designware.c > +++ b/drivers/pci/dwc/pcie-designware.c > @@ -177,7 +177,7 @@ void dw_pcie_prog_outbound_atu(struct dw_pcie *pci, > int index, int type, > */ > for (retries = 0; retries < LINK_WAIT_MAX_IATU_RETRIES; retries++) > { > val = dw_pcie_readl_dbi(pci, PCIE_ATU_CR2); > - if (val == PCIE_ATU_ENABLE) > + if (val & PCIE_ATU_ENABLE) > return; > > usleep_range(LINK_WAIT_IATU_MIN, LINK_WAIT_IATU_MAX); > -- > 2.13.2
On Tue, Jul 18, 2017 at 02:48:21PM +0800, Jisheng Zhang wrote: > The ATU CTRL2 register is 32 bit, besides the enable bit, other bits > may also be set. To check whether the ATU is enabled or not, we should > test the enable bit. > > Signed-off-by: Jisheng Zhang <jszhang@marvell.com> > Acked-by: Joao Pinto <jpinto@synopsys.com> Applied with Jingoo's ack to pci/host-designware for v4.14, thanks! > --- > Since v1: > - Add Joao's Ack > - Fix typo in commit msg, thank Jingoo > > drivers/pci/dwc/pcie-designware.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/pci/dwc/pcie-designware.c b/drivers/pci/dwc/pcie-designware.c > index 0e03af279259..6bf0b409050a 100644 > --- a/drivers/pci/dwc/pcie-designware.c > +++ b/drivers/pci/dwc/pcie-designware.c > @@ -177,7 +177,7 @@ void dw_pcie_prog_outbound_atu(struct dw_pcie *pci, int index, int type, > */ > for (retries = 0; retries < LINK_WAIT_MAX_IATU_RETRIES; retries++) { > val = dw_pcie_readl_dbi(pci, PCIE_ATU_CR2); > - if (val == PCIE_ATU_ENABLE) > + if (val & PCIE_ATU_ENABLE) > return; > > usleep_range(LINK_WAIT_IATU_MIN, LINK_WAIT_IATU_MAX); > -- > 2.13.2 > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
diff --git a/drivers/pci/dwc/pcie-designware.c b/drivers/pci/dwc/pcie-designware.c index 0e03af279259..6bf0b409050a 100644 --- a/drivers/pci/dwc/pcie-designware.c +++ b/drivers/pci/dwc/pcie-designware.c @@ -177,7 +177,7 @@ void dw_pcie_prog_outbound_atu(struct dw_pcie *pci, int index, int type, */ for (retries = 0; retries < LINK_WAIT_MAX_IATU_RETRIES; retries++) { val = dw_pcie_readl_dbi(pci, PCIE_ATU_CR2); - if (val == PCIE_ATU_ENABLE) + if (val & PCIE_ATU_ENABLE) return; usleep_range(LINK_WAIT_IATU_MIN, LINK_WAIT_IATU_MAX);