This patch removes a macro from a call to snprintf() and moves it's
content to just before the call to snprintf() assigning a value to a new
variable named tmp. The goal of this patch is to make the code easier to
understand.
Signed-off-by: Peter Senna Tschudin <peter.se...@gmail.com>
---
drivers/usb/host/fotg210-hcd.c | 43 ++++++++++++++++++++++--------------------
1 file changed, 23 insertions(+), 20 deletions(-)
diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c
index 55c2279..4032ed0 100644
--- a/drivers/usb/host/fotg210-hcd.c
+++ b/drivers/usb/host/fotg210-hcd.c
@@ -367,6 +367,8 @@ static void qh_lines(struct fotg210_hcd *fotg210, struct
fotg210_qh *qh,
unsigned size = *sizep;
char *next = *nextp;
char mark;
+ char *tmp;
+
__le32 list_end = FOTG210_LIST_END(fotg210);
struct fotg210_qh_hw *hw = qh->hw;
@@ -411,28 +413,29 @@ static void qh_lines(struct fotg210_hcd *fotg210, struct
fotg210_qh *qh,
else if (td->hw_alt_next != list_end)
mark = '/';
}
- temp = snprintf(next, size,
- "\n\t%p%c%s len=%d %08x urb %p",
- td, mark, ({ char *tmp;
- switch ((scratch>>8)&0x03) {
- case 0:
- tmp = "out";
- break;
- case 1:
- tmp = "in";
- break;
- case 2:
- tmp = "setup";
- break;
- default:
- tmp = "?";
- break;
- } tmp; }),
- (scratch >> 16) & 0x7fff,
- scratch,
- td->urb);
+
+ switch ((scratch >> 8) & 0x03) {
+ case 0:
+ tmp = "out";
+ break;
+ case 1:
+ tmp = "in";
+ break;
+ case 2:
+ tmp = "setup";
+ break;
+ default:
+ tmp = "?";
+ break;
+ }
+
+ temp = snprintf(next, size, "\n\t%p%c%s len=%d %08x urb %p",
+ td, mark, tmp, (scratch >> 16) & 0x7fff,
+ scratch, td->urb);
+
if (size < temp)
temp = size;
+
size -= temp;
next += temp;
if (temp == size)
--
2.1.0
--
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