xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Bifurcation 0
Code Tickets Demandes d'ajout Actions Paquets Projets Publications Wiki Activité

clk: at91: optimize pmc data allocation

Parcourir la source 
Alloc whole data structure in one block. This makes the code shorter,
more efficient and easier to extend in following patch.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Link: https://lkml.kernel.org/r/fc6f6d67b8cee0beace4a9d9cca7431e5efa769d.1588630999.git.mirq-linux@rere.qmqm.pl
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Cette révision appartient à :
Michał Mirosław
2020-05-05 00:37:56 +02:00
révisé par Stephen Boyd
Parent e218325ff9
révision 7425f246f7
12 fichiers modifiés avec 20 ajouts et 37 suppressions
Télécharger le Fichier Patch Télécharger le Fichier des Différences Développer tous les fichiers Réduire tous les fichiers

34
drivers/clk/at91/pmc.c
Voir le fichier

@@ -76,48 +76,30 @@ struct clk_hw *of_clk_hw_pmc_get(struct of_phandle_args *clkspec, void *data)
return ERR_PTR(-EINVAL);
}
void pmc_data_free(struct pmc_data *pmc_data)
{
kfree(pmc_data->chws);
kfree(pmc_data->shws);
kfree(pmc_data->phws);
kfree(pmc_data->ghws);
}
struct pmc_data *pmc_data_allocate(unsigned int ncore, unsigned int nsystem,
unsigned int nperiph, unsigned int ngck)
{
struct pmc_data *pmc_data = kzalloc(sizeof(*pmc_data), GFP_KERNEL);
unsigned int num_clks = ncore + nsystem + nperiph + ngck;
struct pmc_data *pmc_data;
pmc_data = kzalloc(struct_size(pmc_data, hwtable, num_clks),
GFP_KERNEL);
if (!pmc_data)
return NULL;
pmc_data->ncore = ncore;
pmc_data->chws = kcalloc(ncore, sizeof(struct clk_hw *), GFP_KERNEL);
if (!pmc_data->chws)
goto err;
pmc_data->chws = pmc_data->hwtable;
pmc_data->nsystem = nsystem;
pmc_data->shws = kcalloc(nsystem, sizeof(struct clk_hw *), GFP_KERNEL);
if (!pmc_data->shws)
goto err;
pmc_data->shws = pmc_data->chws + ncore;
pmc_data->nperiph = nperiph;
pmc_data->phws = kcalloc(nperiph, sizeof(struct clk_hw *), GFP_KERNEL);
if (!pmc_data->phws)
goto err;
pmc_data->phws = pmc_data->shws + nsystem;
pmc_data->ngck = ngck;
pmc_data->ghws = kcalloc(ngck, sizeof(struct clk_hw *), GFP_KERNEL);
if (!pmc_data->ghws)
goto err;
pmc_data->ghws = pmc_data->phws + nperiph;
return pmc_data;
err:
pmc_data_free(pmc_data);
return NULL;
}
#ifdef CONFIG_PM