Re: [PATCH v2 1/3] cxl/pci: Rename DOE mailbox handle to doe_mb

From: Jonathan Cameron
Date: Fri Jan 26 2024 - 11:07:42 EST


On Mon, 8 Jan 2024 12:48:31 +0100
Robert Richter <rrichter@xxxxxxx> wrote:

> Trivial variable rename for the DOE mailbox handle from cdat_doe to
> doe_mb. The variable name cdat_doe is too ambiguous, use doe_mb that
> is commonly used for the mailbox.
>
> Signed-off-by: Robert Richter <rrichter@xxxxxxx>

I don't feel strongly about this one either way, but I've probably spent
too long looking at this code in the past.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>

> ---
> drivers/cxl/core/pci.c | 20 ++++++++++----------
> 1 file changed, 10 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/cxl/core/pci.c b/drivers/cxl/core/pci.c
> index 6c9c8d92f8f7..89bab00bb291 100644
> --- a/drivers/cxl/core/pci.c
> +++ b/drivers/cxl/core/pci.c
> @@ -518,14 +518,14 @@ EXPORT_SYMBOL_NS_GPL(cxl_hdm_decode_init, CXL);
> FIELD_PREP(CXL_DOE_TABLE_ACCESS_ENTRY_HANDLE, (entry_handle)))
>
> static int cxl_cdat_get_length(struct device *dev,
> - struct pci_doe_mb *cdat_doe,
> + struct pci_doe_mb *doe_mb,
> size_t *length)
> {
> __le32 request = CDAT_DOE_REQ(0);
> __le32 response[2];
> int rc;
>
> - rc = pci_doe(cdat_doe, PCI_DVSEC_VENDOR_ID_CXL,
> + rc = pci_doe(doe_mb, PCI_DVSEC_VENDOR_ID_CXL,
> CXL_DOE_PROTOCOL_TABLE_ACCESS,
> &request, sizeof(request),
> &response, sizeof(response));
> @@ -543,7 +543,7 @@ static int cxl_cdat_get_length(struct device *dev,
> }
>
> static int cxl_cdat_read_table(struct device *dev,
> - struct pci_doe_mb *cdat_doe,
> + struct pci_doe_mb *doe_mb,
> void *cdat_table, size_t *cdat_length)
> {
> size_t length = *cdat_length + sizeof(__le32);
> @@ -557,7 +557,7 @@ static int cxl_cdat_read_table(struct device *dev,
> size_t entry_dw;
> int rc;
>
> - rc = pci_doe(cdat_doe, PCI_DVSEC_VENDOR_ID_CXL,
> + rc = pci_doe(doe_mb, PCI_DVSEC_VENDOR_ID_CXL,
> CXL_DOE_PROTOCOL_TABLE_ACCESS,
> &request, sizeof(request),
> data, length);
> @@ -617,7 +617,7 @@ void read_cdat_data(struct cxl_port *port)
> {
> struct device *uport = port->uport_dev;
> struct device *dev = &port->dev;
> - struct pci_doe_mb *cdat_doe;
> + struct pci_doe_mb *doe_mb;
> struct pci_dev *pdev = NULL;
> struct cxl_memdev *cxlmd;
> size_t cdat_length;
> @@ -638,16 +638,16 @@ void read_cdat_data(struct cxl_port *port)
> if (!pdev)
> return;
>
> - cdat_doe = pci_find_doe_mailbox(pdev, PCI_DVSEC_VENDOR_ID_CXL,
> - CXL_DOE_PROTOCOL_TABLE_ACCESS);
> - if (!cdat_doe) {
> + doe_mb = pci_find_doe_mailbox(pdev, PCI_DVSEC_VENDOR_ID_CXL,
> + CXL_DOE_PROTOCOL_TABLE_ACCESS);
> + if (!doe_mb) {
> dev_dbg(dev, "No CDAT mailbox\n");
> return;
> }
>
> port->cdat_available = true;
>
> - if (cxl_cdat_get_length(dev, cdat_doe, &cdat_length)) {
> + if (cxl_cdat_get_length(dev, doe_mb, &cdat_length)) {
> dev_dbg(dev, "No CDAT length\n");
> return;
> }
> @@ -656,7 +656,7 @@ void read_cdat_data(struct cxl_port *port)
> if (!cdat_buf)
> return;
>
> - rc = cxl_cdat_read_table(dev, cdat_doe, cdat_buf, &cdat_length);
> + rc = cxl_cdat_read_table(dev, doe_mb, cdat_buf, &cdat_length);
> if (rc)
> goto err;
>