diff options
| author | Karsten Wiese <fzu@wemgehoertderstaat.de> | 2008-02-17 00:44:42 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-04-25 08:16:35 +0400 |
| commit | c765d4cad977f7e454a53d5bca5a942156b2d94c (patch) | |
| tree | f73f80b89d96d5a05bed5d261ac0437b1b966b84 /drivers/usb/host/ehci-sched.c | |
| parent | 96f9bc373c83a67922dc32f358e8a3b3dd4e18a0 (diff) | |
| download | linux-c765d4cad977f7e454a53d5bca5a942156b2d94c.tar.xz | |
USB: EHCI: Refactor "if (handshake()) state = HC_STATE_HALT"
Refactor the EHCI "if (handshake()) state = HC_STATE_HALT" idiom,
which appears 4 times, by replacing it with calls to a new function
called handshake_on_error_set_halt(). Saves a few bytes too.
Signed-off-by: Karsten Wiese <fzu@wemgehoertderstaat.de>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/host/ehci-sched.c')
| -rw-r--r-- | drivers/usb/host/ehci-sched.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index 8a8e08a51ba3..38c606c13db1 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -440,11 +440,10 @@ static int enable_periodic (struct ehci_hcd *ehci) /* did clearing PSE did take effect yet? * takes effect only at frame boundaries... */ - status = handshake(ehci, &ehci->regs->status, STS_PSS, 0, 9 * 125); - if (status != 0) { - ehci_to_hcd(ehci)->state = HC_STATE_HALT; + status = handshake_on_error_set_halt(ehci, &ehci->regs->status, + STS_PSS, 0, 9 * 125); + if (status) return status; - } cmd = ehci_readl(ehci, &ehci->regs->command) | CMD_PSE; ehci_writel(ehci, cmd, &ehci->regs->command); @@ -465,11 +464,10 @@ static int disable_periodic (struct ehci_hcd *ehci) /* did setting PSE not take effect yet? * takes effect only at frame boundaries... */ - status = handshake(ehci, &ehci->regs->status, STS_PSS, STS_PSS, 9 * 125); - if (status != 0) { - ehci_to_hcd(ehci)->state = HC_STATE_HALT; + status = handshake_on_error_set_halt(ehci, &ehci->regs->status, + STS_PSS, STS_PSS, 9 * 125); + if (status) return status; - } cmd = ehci_readl(ehci, &ehci->regs->command) & ~CMD_PSE; ehci_writel(ehci, cmd, &ehci->regs->command); |