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Message-Id: <20231005-ffa_v1-1_notif-v4-15-cddd3237809c@arm.com>
Date: Thu, 05 Oct 2023 15:45:08 +0100
From: Sudeep Holla <sudeep.holla@....com>
To: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Sudeep Holla <sudeep.holla@....com>,
Marc Bonnici <marc.bonnici@....com>,
Jens Wiklander <jens.wiklander@...aro.org>,
Coboy Chen <coboy.chen@...iatek.com>,
Lorenzo Pieralisi <lpieralisi@...nel.org>,
Olivier Deprez <olivier.deprez@....com>
Subject: [PATCH v4 15/17] firmware: arm_ffa: Switch to using
ffa_mem_desc_offset() accessor
In preparation to add support to the new memory transaction descriptor,
the ep_mem_access member needs to be removed and hence even the macro
COMPOSITE_OFFSET(). Let us switch to using the new ffa_mem_desc_offset()
accessor in ffa_setup_and_transmit().
This will enable adding the support for new format transparently without
any changes here again.
Signed-off-by: Sudeep Holla <sudeep.holla@....com>
---
drivers/firmware/arm_ffa/driver.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/firmware/arm_ffa/driver.c b/drivers/firmware/arm_ffa/driver.c
index 45ad704734a2..4de08ffce599 100644
--- a/drivers/firmware/arm_ffa/driver.c
+++ b/drivers/firmware/arm_ffa/driver.c
@@ -454,8 +454,10 @@ ffa_setup_and_transmit(u32 func_id, void *buffer, u32 max_fragsize,
mem_region->flags = args->flags;
mem_region->sender_id = drv_info->vm_id;
mem_region->attributes = ffa_memory_attributes_get(func_id);
- ep_mem_access = buffer + COMPOSITE_OFFSET(0);
- composite_offset = COMPOSITE_OFFSET(args->nattrs);
+ ep_mem_access = buffer +
+ ffa_mem_desc_offset(buffer, 0, drv_info->version);
+ composite_offset = ffa_mem_desc_offset(buffer, args->nattrs,
+ drv_info->version);
for (idx = 0; idx < args->nattrs; idx++, ep_mem_access++) {
ep_mem_access->receiver = args->attrs[idx].receiver;
--
2.42.0
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