diff mbox series

[v3,1/4] usb: xhci-mtk: use bitfield instead of bool

Message ID 20210507021127.54717-1-chunfeng.yun@mediatek.com (mailing list archive)
State New, archived
Headers show
Series [v3,1/4] usb: xhci-mtk: use bitfield instead of bool | expand

Commit Message

Chunfeng Yun May 7, 2021, 2:11 a.m. UTC
Use bitfield instead of bool in struct

Refer to coding-style.rst 17) Using bool:
"If a structure has many true/false values, consider consolidating
them into a bitfield with 1 bit members, or using an appropriate
fixed width type, such as u8."

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
v3: split @has_ippc out into anather patch suggested by Greg
v2: add more changelog suggested by Greg
---
 drivers/usb/host/xhci-mtk.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

Comments

Ikjoon Jang June 10, 2021, 3:31 a.m. UTC | #1
On Fri, May 7, 2021 at 10:11 AM Chunfeng Yun <chunfeng.yun@mediatek.com> wrote:
>
> Use bitfield instead of bool in struct
>
> Refer to coding-style.rst 17) Using bool:
> "If a structure has many true/false values, consider consolidating
> them into a bitfield with 1 bit members, or using an appropriate
> fixed width type, such as u8."
>
> Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>

Reviewed-and-Tested-by: Ikjoon Jang <ikjn@chromium.org>

> ---
> v3: split @has_ippc out into anather patch suggested by Greg
> v2: add more changelog suggested by Greg
> ---
>  drivers/usb/host/xhci-mtk.h | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/usb/host/xhci-mtk.h b/drivers/usb/host/xhci-mtk.h
> index cd3a37bb73e6..94a59b3d178f 100644
> --- a/drivers/usb/host/xhci-mtk.h
> +++ b/drivers/usb/host/xhci-mtk.h
> @@ -138,17 +138,17 @@ struct xhci_hcd_mtk {
>         struct mu3h_sch_bw_info *sch_array;
>         struct list_head bw_ep_chk_list;
>         struct mu3c_ippc_regs __iomem *ippc_regs;
> -       bool has_ippc;
>         int num_u2_ports;
>         int num_u3_ports;
>         int u3p_dis_msk;
>         struct regulator *vusb33;
>         struct regulator *vbus;
>         struct clk_bulk_data clks[BULK_CLKS_NUM];
> -       bool lpm_support;
> -       bool u2_lpm_disable;
> +       unsigned int has_ippc:1;
> +       unsigned int lpm_support:1;
> +       unsigned int u2_lpm_disable:1;
>         /* usb remote wakeup */
> -       bool uwk_en;
> +       unsigned int uwk_en:1;
>         struct regmap *uwk;
>         u32 uwk_reg_base;
>         u32 uwk_vers;
> --
> 2.18.0
>
diff mbox series

Patch

diff --git a/drivers/usb/host/xhci-mtk.h b/drivers/usb/host/xhci-mtk.h
index cd3a37bb73e6..94a59b3d178f 100644
--- a/drivers/usb/host/xhci-mtk.h
+++ b/drivers/usb/host/xhci-mtk.h
@@ -138,17 +138,17 @@  struct xhci_hcd_mtk {
 	struct mu3h_sch_bw_info *sch_array;
 	struct list_head bw_ep_chk_list;
 	struct mu3c_ippc_regs __iomem *ippc_regs;
-	bool has_ippc;
 	int num_u2_ports;
 	int num_u3_ports;
 	int u3p_dis_msk;
 	struct regulator *vusb33;
 	struct regulator *vbus;
 	struct clk_bulk_data clks[BULK_CLKS_NUM];
-	bool lpm_support;
-	bool u2_lpm_disable;
+	unsigned int has_ippc:1;
+	unsigned int lpm_support:1;
+	unsigned int u2_lpm_disable:1;
 	/* usb remote wakeup */
-	bool uwk_en;
+	unsigned int uwk_en:1;
 	struct regmap *uwk;
 	u32 uwk_reg_base;
 	u32 uwk_vers;