2023-07-03 12:49:20

by You Kangren

[permalink] [raw]
Subject: [PATCH v3] crypto: qat - Replace the if statement with min()

mark UWORD_CPYBUF_SIZE with U suffix to make the type the same with
words_num and replace the if statement with min()

Signed-off-by: You Kangren <[email protected]>
---
drivers/crypto/intel/qat/qat_common/qat_uclo.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/crypto/intel/qat/qat_common/qat_uclo.c b/drivers/crypto/intel/qat/qat_common/qat_uclo.c
index ce837bcc1cab..bad65f154777 100644
--- a/drivers/crypto/intel/qat/qat_common/qat_uclo.c
+++ b/drivers/crypto/intel/qat/qat_common/qat_uclo.c
@@ -5,13 +5,14 @@
#include <linux/kernel.h>
#include <linux/delay.h>
#include <linux/pci_ids.h>
+#include <linux/minmax.h>
#include "adf_accel_devices.h"
#include "adf_common_drv.h"
#include "icp_qat_uclo.h"
#include "icp_qat_hal.h"
#include "icp_qat_fw_loader_handle.h"

-#define UWORD_CPYBUF_SIZE 1024
+#define UWORD_CPYBUF_SIZE 1024U
#define INVLD_UWORD 0xffffffffffull
#define PID_MINOR_REV 0xf
#define PID_MAJOR_REV (0xf << 4)
@@ -1986,10 +1987,7 @@ static void qat_uclo_wr_uimage_raw_page(struct icp_qat_fw_loader_handle *handle,
uw_relative_addr = 0;
words_num = encap_page->micro_words_num;
while (words_num) {
- if (words_num < UWORD_CPYBUF_SIZE)
- cpylen = words_num;
- else
- cpylen = UWORD_CPYBUF_SIZE;
+ cpylen = min(words_num, UWORD_CPYBUF_SIZE);

/* load the buffer */
for (i = 0; i < cpylen; i++)
--
2.39.0



2023-07-03 13:31:45

by Andy Shevchenko

[permalink] [raw]
Subject: Re: [PATCH v3] crypto: qat - Replace the if statement with min()

On Mon, Jul 03, 2023 at 08:37:36PM +0800, You Kangren wrote:
> mark UWORD_CPYBUF_SIZE with U suffix to make the type the same with
> words_num and replace the if statement with min()

Makes code shorter,
Reviewed-by: Andy Shevchenko <[email protected]>

> Signed-off-by: You Kangren <[email protected]>
> ---
> drivers/crypto/intel/qat/qat_common/qat_uclo.c | 8 +++-----
> 1 file changed, 3 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/crypto/intel/qat/qat_common/qat_uclo.c b/drivers/crypto/intel/qat/qat_common/qat_uclo.c
> index ce837bcc1cab..bad65f154777 100644
> --- a/drivers/crypto/intel/qat/qat_common/qat_uclo.c
> +++ b/drivers/crypto/intel/qat/qat_common/qat_uclo.c
> @@ -5,13 +5,14 @@
> #include <linux/kernel.h>
> #include <linux/delay.h>
> #include <linux/pci_ids.h>
> +#include <linux/minmax.h>
> #include "adf_accel_devices.h"
> #include "adf_common_drv.h"
> #include "icp_qat_uclo.h"
> #include "icp_qat_hal.h"
> #include "icp_qat_fw_loader_handle.h"
>
> -#define UWORD_CPYBUF_SIZE 1024
> +#define UWORD_CPYBUF_SIZE 1024U
> #define INVLD_UWORD 0xffffffffffull
> #define PID_MINOR_REV 0xf
> #define PID_MAJOR_REV (0xf << 4)
> @@ -1986,10 +1987,7 @@ static void qat_uclo_wr_uimage_raw_page(struct icp_qat_fw_loader_handle *handle,
> uw_relative_addr = 0;
> words_num = encap_page->micro_words_num;
> while (words_num) {
> - if (words_num < UWORD_CPYBUF_SIZE)
> - cpylen = words_num;
> - else
> - cpylen = UWORD_CPYBUF_SIZE;
> + cpylen = min(words_num, UWORD_CPYBUF_SIZE);
>
> /* load the buffer */
> for (i = 0; i < cpylen; i++)
> --
> 2.39.0
>

--
With Best Regards,
Andy Shevchenko