diff options
| author |   Ralph Campbell <ralph.campbell@qlogic.com> | 2007-10-12 20:48:06 -0700 |
|---|---|---|
| committer |   Roland Dreier <rolandd@cisco.com> | 2008-01-25 14:15:27 -0800 |
| commit | 9ab4295d1d9ab10a249aea002060685f935a528c (patch) | |
| tree | 66950ae4a032120b0b22988c89fc7d699df420af | |
| parent | RDMA/cxgb3: Support version 5.0 firmware (diff) | |
| download | linux-dev-9ab4295d1d9ab10a249aea002060685f935a528c.tar.xz linux-dev-9ab4295d1d9ab10a249aea002060685f935a528c.zip | |
IB/ipath: Remove dead code for user process waiting for send buffer
At one point in time there was code to allow a user process to
wait for a send buffer if none were available. This feature was
never used and most of the code was removed. This removes
some missed unused code.
Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_intr.c | 26 | ||||
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_kernel.h | 4 |
2 files changed, 0 insertions, 30 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_intr.c b/drivers/infiniband/hw/ipath/ipath_intr.c index 8f3718c1694f..ad41cccd2e9f 100644 --- a/drivers/infiniband/hw/ipath/ipath_intr.c +++ b/drivers/infiniband/hw/ipath/ipath_intr.c @@ -920,29 +920,6 @@ static noinline void ipath_bad_regread(struct ipath_devdata *dd) } } -static void handle_port_pioavail(struct ipath_devdata *dd) -{ - u32 i; - /* - * start from port 1, since for now port 0 is never using - * wait_event for PIO - */ - for (i = 1; dd->ipath_portpiowait && i < dd->ipath_cfgports; i++) { - struct ipath_portdata *pd = dd->ipath_pd[i]; - - if (pd && pd->port_cnt && - dd->ipath_portpiowait & (1U << i)) { - clear_bit(i, &dd->ipath_portpiowait); - if (test_bit(IPATH_PORT_WAITING_PIO, - &pd->port_flag)) { - clear_bit(IPATH_PORT_WAITING_PIO, - &pd->port_flag); - wake_up_interruptible(&pd->port_wait); - } - } - } -} - static void handle_layer_pioavail(struct ipath_devdata *dd) { int ret; @@ -1195,9 +1172,6 @@ irqreturn_t ipath_intr(int irq, void *data) ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl, dd->ipath_sendctrl); - if (dd->ipath_portpiowait) - handle_port_pioavail(dd); - handle_layer_pioavail(dd); } diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h index 1ef82d6bf377..65f7c7f7b5d9 100644 --- a/drivers/infiniband/hw/ipath/ipath_kernel.h +++ b/drivers/infiniband/hw/ipath/ipath_kernel.h @@ -457,8 +457,6 @@ struct ipath_devdata { unsigned long ipath_rcvctrl; /* shadow kr_sendctrl */ unsigned long ipath_sendctrl; - /* ports waiting for PIOavail intr */ - unsigned long ipath_portpiowait; unsigned long ipath_lastcancel; /* to not count armlaunch after cancel */ /* value we put in kr_rcvhdrcnt */ @@ -759,8 +757,6 @@ int ipath_set_rx_pol_inv(struct ipath_devdata *dd, u8 new_pol_inv); /* portdata flag bit offsets */ /* waiting for a packet to arrive */ #define IPATH_PORT_WAITING_RCV 2 - /* waiting for a PIO buffer to be available */ -#define IPATH_PORT_WAITING_PIO 3 /* master has not finished initializing */ #define IPATH_PORT_MASTER_UNINIT 4 /* waiting for an urgent packet to arrive */ |