On 04/25, Andy Gross wrote: > This patch changes the cold_set_boot_addr function to use atomic SCM > calls. This removes the need for memory allocation and instead places > all arguments in registers. > > Signed-off-by: Andy Gross <andy.gross@xxxxxxxxxx> > --- > drivers/firmware/qcom_scm-32.c | 47 ++++++++++++++++++++---------------------- > 1 file changed, 22 insertions(+), 25 deletions(-) > > diff --git a/drivers/firmware/qcom_scm-32.c b/drivers/firmware/qcom_scm-32.c > index 0d2a3f8..419df4d 100644 > --- a/drivers/firmware/qcom_scm-32.c > +++ b/drivers/firmware/qcom_scm-32.c > @@ -294,34 +294,39 @@ out: > (n & 0xf)) > > /** > - * qcom_scm_call_atomic1() - Send an atomic SCM command with one argument > + * qcom_scm_call_atomic() - Send an atomic SCM command with one argument Update doc to say 1 or 2 arguments now? I guess we get slightly worse code because we force a load into the second argument register even if it isn't used. Also, is there a patch to change scm-32 to use dma allocations for the buffer, or did I miss it? -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
