| 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 |
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 --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;
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(-)