On Sat, Nov 28, 2015 at 7:41 PM, Dave Penkler <dpenkler@xxxxxxxxx> wrote: > On Sat, Nov 28, 2015 at 04:57:47PM +0200, Andy Shevchenko wrote: >> On Sat, Nov 28, 2015 at 1:55 PM, Dave Penkler <dpenkler@xxxxxxxxx> wrote: >> > On Wed, Nov 25, 2015 at 10:38:39PM +0200, Andy Shevchenko wrote: >> >> On Wed, Nov 25, 2015 at 11:18 AM, Dave Penkler <dpenkler@xxxxxxxxx> wrote: >> >> > On Sun, Nov 22, 2015 at 12:32:41PM +0200, Andy Shevchenko wrote: >> >> >> On Sun, Nov 22, 2015 at 11:19 AM, Dave Penkler <dpenkler@xxxxxxxxx> wrote: >> >> >> > On Wed, Nov 18, 2015 at 11:55:27AM +0200, Andy Shevchenko wrote: >> >> >> >> On Wed, Nov 18, 2015 at 10:37 AM, Dave Penkler <dpenkler@xxxxxxxxx> wrote: >> >> Thank you for an update! >> >> >> >> >> > + switch (status) { >> >> >> >> > + case 0: /* SUCCESS */ >> >> >> >> > + if (data->iin_buffer[0] & 0x80) { >> >> >> >> > + /* check for valid STB notification */ >> >> >> >> > + if ((data->iin_buffer[0] & 0x7f) > 1) { >> >> How can I miss that there are two conditionals in a sequence and >> moreover for the same data?! > > Sorry, my fault, it is the combination of patch 1 and 2 > >> That might explain the optimization done by compiler. >> >> So, could it be transformed to simple one condition >> if (data->iin_buffer[0] > 0x81 /* 129 */) { >> ? > > OK so now for patch 1 and 2 we have: > > switch (status) { > case 0: /* SUCCESS */ > /* PATCH 1 check for valid STB notification */ > if (data->iin_buffer[0] > 0x81) { > data->bNotify1 = data->iin_buffer[0]; > data->bNotify2 = data->iin_buffer[1]; > atomic_set(&data->iin_data_valid, 1); > wake_up_interruptible(&data->waitq); > goto exit; > } > /* PATCH 2 check for SRQ notification */ > if (data->iin_buffer[0] == 0x81) { > if (data->fasync) > kill_fasync(&data->fasync, > SIGIO, POLL_IN); > > atomic_set(&data->srq_asserted, 1); > wake_up_interruptible(&data->waitq); > goto exit; > } > > > I'll push a new set if you are OK with this. Yes, fine by me, thanks for patience. -- With Best Regards, Andy Shevchenko -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html