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SubjectRe: [PATCH v4 2/2] PCI: dwc: Cleanup in dw_pcie_ep_raise_msi_irq()
On Wed, 24 Jan 2024, Dan Carpenter wrote:

> I recently changed the alignment code in dw_pcie_ep_raise_msix_irq().
> The code in dw_pcie_ep_raise_msi_irq() is similar so update it to match
> as well, just for consistency. (No effect on runtime, just a cleanup).
>
> Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
> ---
> v4: style improvements
> v3: use ALIGN_DOWN()
> v2: new patch
>
> drivers/pci/controller/dwc/pcie-designware-ep.c | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c
> index 51679c6702cf..d2de41f02a77 100644
> --- a/drivers/pci/controller/dwc/pcie-designware-ep.c
> +++ b/drivers/pci/controller/dwc/pcie-designware-ep.c
> @@ -482,9 +482,10 @@ int dw_pcie_ep_raise_msi_irq(struct dw_pcie_ep *ep, u8 func_no,
> reg = ep_func->msi_cap + PCI_MSI_DATA_32;
> msg_data = dw_pcie_ep_readw_dbi(ep, func_no, reg);
> }
> - aligned_offset = msg_addr_lower & (epc->mem->window.page_size - 1);
> - msg_addr = ((u64)msg_addr_upper) << 32 |
> - (msg_addr_lower & ~aligned_offset);
> + msg_addr = ((u64)msg_addr_upper) << 32 | msg_addr_lower;
> +
> + aligned_offset = msg_addr & (epc->mem->window.page_size - 1);
> + msg_addr = ALIGN_DOWN(msg_addr, epc->mem->window.page_size);

After you've added the #include in 1/2, for both patches:

Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>


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