From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chunfeng Yun Date: Tue, 8 Sep 2020 15:39:00 +0800 Subject: [PATCH v3 6/9] usb: xhci: convert to TRB_LEN() and TRB_INTR_TARGET() In-Reply-To: References: <1599462727-2188-1-git-send-email-chunfeng.yun@mediatek.com> <1599462727-2188-6-git-send-email-chunfeng.yun@mediatek.com> Message-ID: <1599550740.11403.49.camel@mhfsdcap03> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Tue, 2020-09-08 at 09:30 +0800, Bin Meng wrote: > On Mon, Sep 7, 2020 at 3:14 PM Chunfeng Yun wrote: > > > > For normal TRB fields: > > use TRB_LEN(x) instead of ((x) & TRB_LEN_MASK); > > and use TRB_INTR_TARGET(x) instead of > > (((x) & TRB_INTR_TARGET_MASK) << TRB_INTR_TARGET_SHIFT) > > > > Signed-off-by: Chunfeng Yun > > --- > > v3: merge patch [v2 6/11] and [v2 7/11] into one, both for normal TRB fileds > > > > v2: no changes > > --- > > drivers/usb/host/xhci-ring.c | 16 +++++++--------- > > include/usb/xhci.h | 3 --- > > 2 files changed, 7 insertions(+), 12 deletions(-) > > > > diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c > > index 87891fd..99c84f9 100644 > > --- a/drivers/usb/host/xhci-ring.c > > +++ b/drivers/usb/host/xhci-ring.c > > @@ -688,10 +688,9 @@ int xhci_bulk_tx(struct usb_device *udev, unsigned long pipe, > > length, maxpacketsize, > > more_trbs_coming); > > > > - length_field = ((trb_buff_len & TRB_LEN_MASK) | > > + length_field = (TRB_LEN(trb_buff_len) | > > TRB_TD_SIZE(remainder) | > > - ((0 & TRB_INTR_TARGET_MASK) << > > - TRB_INTR_TARGET_SHIFT)); > > + TRB_INTR_TARGET(0)); > > nits: should be aligned to TRB_LEN(length) Ok, will check it again > > > > > trb_fields[0] = lower_32_bits(addr); > > trb_fields[1] = upper_32_bits(addr); > > @@ -849,8 +848,7 @@ int xhci_ctrl_tx(struct usb_device *udev, unsigned long pipe, > > trb_fields[1] = le16_to_cpu(req->index) | > > le16_to_cpu(req->length) << 16; > > /* TRB_LEN | (TRB_INTR_TARGET) */ > > - trb_fields[2] = (8 | ((0 & TRB_INTR_TARGET_MASK) << > > - TRB_INTR_TARGET_SHIFT)); > > + trb_fields[2] = (TRB_LEN(8) | TRB_INTR_TARGET(0)); > > /* Immediate data in pointer */ > > trb_fields[3] = field; > > queue_trb(ctrl, ep_ring, true, trb_fields); > > @@ -866,11 +864,11 @@ int xhci_ctrl_tx(struct usb_device *udev, unsigned long pipe, > > > > remainder = xhci_td_remainder(ctrl, 0, length, length, > > usb_maxpacket(udev, pipe), 1); > > - length_field = (length & TRB_LEN_MASK) | TRB_TD_SIZE(remainder) | > > - ((0 & TRB_INTR_TARGET_MASK) << TRB_INTR_TARGET_SHIFT); > > + length_field = TRB_LEN(length) | TRB_TD_SIZE(remainder) | > > + TRB_INTR_TARGET(0); > > debug("length_field = %d, length = %d," > > "xhci_td_remainder(length) = %d , TRB_INTR_TARGET(0) = %d\n", > > - length_field, (length & TRB_LEN_MASK), > > + length_field, TRB_LEN(length), > > TRB_TD_SIZE(remainder), 0); > > > > if (length > 0) { > > @@ -901,7 +899,7 @@ int xhci_ctrl_tx(struct usb_device *udev, unsigned long pipe, > > > > trb_fields[0] = 0; > > trb_fields[1] = 0; > > - trb_fields[2] = ((0 & TRB_INTR_TARGET_MASK) << TRB_INTR_TARGET_SHIFT); > > + trb_fields[2] = TRB_INTR_TARGET(0); > > /* Event on completion */ > > trb_fields[3] = field | TRB_IOC | > > TRB_TYPE(TRB_STATUS) | ep_ring->cycle_state; > > diff --git a/include/usb/xhci.h b/include/usb/xhci.h > > index bdba51d..35c6604 100644 > > --- a/include/usb/xhci.h > > +++ b/include/usb/xhci.h > > @@ -847,12 +847,9 @@ struct xhci_event_cmd { > > /* Normal TRB fields */ > > /* transfer_len bitmasks - bits 0:16 */ > > #define TRB_LEN(p) ((p) & 0x1ffff) > > -#define TRB_LEN_MASK (0x1ffff) > > /* TD Size, packets remaining in this TD, bits 21:17 (5 bits, so max 31) */ > > #define TRB_TD_SIZE(p) (min((p), (u32)31) << 17) > > /* Interrupter Target - which MSI-X vector to target the completion event at */ > > -#define TRB_INTR_TARGET_SHIFT (22) > > -#define TRB_INTR_TARGET_MASK (0x3ff) > > #define TRB_INTR_TARGET(p) (((p) & 0x3ff) << 22) > > #define GET_INTR_TARGET(p) (((p) >> 22) & 0x3ff) > > #define TRB_TBC(p) (((p) & 0x3) << 7) > > -- > > Reviewed-by: Bin Meng Thanks