Re: [PATCH v3 04/10] crypto: ccp: move setting PSP master to earlier in the init

From: Tom Lendacky
Date: Tue May 23 2023 - 17:21:51 EST


On 5/18/23 22:24, Mario Limonciello wrote:
Dynamic boost control needs to use platform access symbols
that look for the PSP master as part of initialization.

So move the PSP master before psp_init() so that dynamic boost
control can be initialized properly.

Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>

Reviewed-by: Tom Lendacky <thomas.lendacky@xxxxxxx>

---
v2->v3:
* Clean up master device if psp_init() failed
---
drivers/crypto/ccp/psp-dev.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/crypto/ccp/psp-dev.c b/drivers/crypto/ccp/psp-dev.c
index e3d6955d3265..3390f0bd6408 100644
--- a/drivers/crypto/ccp/psp-dev.c
+++ b/drivers/crypto/ccp/psp-dev.c
@@ -173,13 +173,14 @@ int psp_dev_init(struct sp_device *sp)
goto e_err;
}
+ /* master device must be set for platform access */
+ if (psp->sp->set_psp_master_device)
+ psp->sp->set_psp_master_device(psp->sp);
+
ret = psp_init(psp);
if (ret)
goto e_irq;
- if (sp->set_psp_master_device)
- sp->set_psp_master_device(sp);
-
/* Enable interrupt */
iowrite32(-1, psp->io_regs + psp->vdata->inten_reg);
@@ -188,6 +189,9 @@ int psp_dev_init(struct sp_device *sp)
return 0;
e_irq:
+ if (sp->clear_psp_master_device)
+ sp->clear_psp_master_device(sp);
+
sp_free_psp_irq(psp->sp, psp);
e_err:
sp->psp_data = NULL;