From: Jonathan Cameron <Jonathan.Cameron@Huawei.com>
To: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>
Cc: <linux-pci@vger.kernel.org>, Bjorn Helgaas <helgaas@kernel.org>,
"Nilesh Javali" <njavali@marvell.com>,
<GR-QLogic-Storage-Upstream@marvell.com>,
"James E.J. Bottomley" <jejb@linux.ibm.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
<linux-scsi@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 08/10] scsi: qla2xxx: Use FIELD_GET() to extract PCIe capability fields
Date: Wed, 13 Sep 2023 14:16:09 +0100 [thread overview]
Message-ID: <20230913141609.000030cd@Huawei.com> (raw)
In-Reply-To: <20230913122748.29530-9-ilpo.jarvinen@linux.intel.com>
On Wed, 13 Sep 2023 15:27:46 +0300
Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> wrote:
> Use FIELD_GET() to extract PCIe capability registers field instead of
> custom masking and shifting.
>
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> ---
> drivers/scsi/qla2xxx/qla_os.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
> index 50db08265c51..7e103d711825 100644
> --- a/drivers/scsi/qla2xxx/qla_os.c
> +++ b/drivers/scsi/qla2xxx/qla_os.c
> @@ -5,6 +5,7 @@
> */
> #include "qla_def.h"
>
> +#include <linux/bitfield.h>
> #include <linux/moduleparam.h>
> #include <linux/vmalloc.h>
> #include <linux/delay.h>
> @@ -633,8 +634,8 @@ qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len)
> const char *speed_str;
>
> pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
> - lspeed = lstat & PCI_EXP_LNKCAP_SLS;
> - lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
> + lspeed = FIELD_GET(PCI_EXP_LNKCAP_SLS, lstat);
> + lwidth = FIELD_GET(PCI_EXP_LNKCAP_MLW, lstat);
>
> switch (lspeed) {
> case 1:
next prev parent reply other threads:[~2023-09-13 13:16 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-13 12:27 [PATCH v2 00/10] PCI/treewide: PCIe capability access cleanups Ilpo Järvinen
2023-09-13 12:27 ` [PATCH v2 01/10] IB/hfi1: Use FIELD_GET() to extract Link Width Ilpo Järvinen
2023-09-13 13:14 ` Jonathan Cameron
2023-09-13 12:27 ` [PATCH v2 02/10] media: cobalt: " Ilpo Järvinen
2023-09-13 12:27 ` [PATCH v2 03/10] igb: " Ilpo Järvinen
2023-09-13 12:27 ` [PATCH v2 04/10] PCI: tegra194: Use FIELD_GET()/FIELD_PREP() with Link Width fields Ilpo Järvinen
2023-09-13 12:27 ` [PATCH v2 05/10] PCI: mvebu: Use FIELD_PREP() with Link Width Ilpo Järvinen
2023-09-13 12:27 ` [PATCH v2 06/10] PCI: Use FIELD_GET() to extract " Ilpo Järvinen
2023-09-13 12:27 ` [PATCH v2 07/10] scsi: esas2r: Use FIELD_GET() to extract PCIe capability fields Ilpo Järvinen
2023-09-13 13:15 ` Jonathan Cameron
2023-09-14 1:02 ` Martin K. Petersen
2023-09-13 12:27 ` [PATCH v2 08/10] scsi: qla2xxx: " Ilpo Järvinen
2023-09-13 13:16 ` Jonathan Cameron [this message]
2023-09-14 1:02 ` Martin K. Petersen
2023-09-13 12:27 ` [PATCH v2 09/10] e1000e: Use PCI_EXP_LNKSTA_NLW & FIELD_GET() instead of custom defines/code Ilpo Järvinen
2023-09-13 13:17 ` Jonathan Cameron
2023-09-13 12:27 ` [PATCH v2 10/10] e1000e: Use pcie_capability_read_word() for reading LNKSTA Ilpo Järvinen
2023-09-13 13:22 ` Jonathan Cameron
2023-09-22 1:05 ` (subset) [PATCH v2 00/10] PCI/treewide: PCIe capability access cleanups Martin K. Petersen
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