From: Abel Vesa Date: Fri, 25 Nov 2022 07:13:59 +0000 (+0000) Subject: misc: fastrpc: Add fastrpc_remote_heap_alloc X-Git-Tag: v6.6.17~5900^2~16 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6f18c7e845346f365e08613fdc47a60fc201aedb;p=platform%2Fkernel%2Flinux-rpi.git misc: fastrpc: Add fastrpc_remote_heap_alloc Split fastrpc_buf_alloc in such a way it allows allocation of remote heap too and add fastrpc_remote_heap_alloc to do so. Co-developed-by: Srinivas Kandagatla Signed-off-by: Abel Vesa Signed-off-by: Srinivas Kandagatla Link: https://lore.kernel.org/r/20221125071405.148786-5-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c index 3d58096..8b43fe5 100644 --- a/drivers/misc/fastrpc.c +++ b/drivers/misc/fastrpc.c @@ -369,7 +369,7 @@ static void fastrpc_buf_free(struct fastrpc_buf *buf) kfree(buf); } -static int fastrpc_buf_alloc(struct fastrpc_user *fl, struct device *dev, +static int __fastrpc_buf_alloc(struct fastrpc_user *fl, struct device *dev, u64 size, struct fastrpc_buf **obuf) { struct fastrpc_buf *buf; @@ -397,14 +397,37 @@ static int fastrpc_buf_alloc(struct fastrpc_user *fl, struct device *dev, return -ENOMEM; } + *obuf = buf; + + return 0; +} + +static int fastrpc_buf_alloc(struct fastrpc_user *fl, struct device *dev, + u64 size, struct fastrpc_buf **obuf) +{ + int ret; + struct fastrpc_buf *buf; + + ret = __fastrpc_buf_alloc(fl, dev, size, obuf); + if (ret) + return ret; + + buf = *obuf; + if (fl->sctx && fl->sctx->sid) buf->phys += ((u64)fl->sctx->sid << 32); - *obuf = buf; - return 0; } +static int fastrpc_remote_heap_alloc(struct fastrpc_user *fl, struct device *dev, + u64 size, struct fastrpc_buf **obuf) +{ + struct device *rdev = &fl->cctx->rpdev->dev; + + return __fastrpc_buf_alloc(fl, rdev, size, obuf); +} + static void fastrpc_channel_ctx_free(struct kref *ref) { struct fastrpc_channel_ctx *cctx;