| Message ID | 20210506063116.41757-1-chunfeng.yun@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v2,1/3] usb: xhci-mtk: use bitfield instead of bool | expand |
On Thu, May 06, 2021 at 02:31:14PM +0800, Chunfeng Yun 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." > > Due to @has_ippc's default vaule is 0, no need set it again if fail > to get ippc base address Please split this change out into a separate patch, as it has nothing to do with the "change to bitfield" change. thanks, greg k-h
Hello! On 06.05.2021 9:31, Chunfeng Yun 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." > > Due to @has_ippc's default vaule is 0, no need set it again if fail Value. :-) > to get ippc base address > > Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> [...] MBR, Sergei
On Thu, 2021-05-06 at 09:37 +0200, Greg Kroah-Hartman wrote: > On Thu, May 06, 2021 at 02:31:14PM +0800, Chunfeng Yun 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." > > > > Due to @has_ippc's default vaule is 0, no need set it again if fail > > to get ippc base address > > Please split this change out into a separate patch, as it has nothing to > do with the "change to bitfield" change. Ok, thanks > > thanks, > > greg k-h
On Thu, 2021-05-06 at 11:50 +0300, Sergei Shtylyov wrote: > Hello! > > On 06.05.2021 9:31, Chunfeng Yun 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." > > > > Due to @has_ippc's default vaule is 0, no need set it again if fail > > Value. :-) Will fix it, thanks > > > to get ippc base address > > > > Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> > [...] > > MBR, Sergei
diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c index b2058b3bc834..2548976bcf05 100644 --- a/drivers/usb/host/xhci-mtk.c +++ b/drivers/usb/host/xhci-mtk.c @@ -495,8 +495,6 @@ static int xhci_mtk_probe(struct platform_device *pdev) goto put_usb2_hcd; } mtk->has_ippc = true; - } else { - mtk->has_ippc = false; } device_init_wakeup(dev, true); 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." Due to @has_ippc's default vaule is 0, no need set it again if fail to get ippc base address Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> --- v2: add more changelog suggested by Greg --- drivers/usb/host/xhci-mtk.c | 2 -- drivers/usb/host/xhci-mtk.h | 8 ++++---- 2 files changed, 4 insertions(+), 6 deletions(-)