From: P J P <ppandit@redhat.com>
To: Li Qiang <liq3ea@gmail.com>
Cc: "Peter Maydell" <peter.maydell@linaro.org>,
"Philippe Mathieu-Daudé" <philmd@redhat.com>,
"QEMU Developers" <qemu-devel@nongnu.org>,
"Lei Sun" <slei.casper@gmail.com>,
"Alex Williamson" <alex.williamson@redhat.com>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Alex Bennée" <alex.bennee@linaro.org>,
"David Gibson" <david@gibson.dropbear.id.au>
Subject: Re: [PATCH v2 5/9] nvram: add nrf51_soc flash read method
Date: Mon, 29 Jun 2020 17:25:21 +0530 (IST) [thread overview]
Message-ID: <nycvar.YSQ.7.77.849.2006291718520.92950@xnncv> (raw)
In-Reply-To: <CAKXe6SKBYpdouoN=C_NZawLOnDMYjDU2X3c2CsCv7X7rPym1Rg@mail.gmail.com>
[-- Attachment #1: Type: text/plain, Size: 1041 bytes --]
Hello Li,
+-- On Mon, 29 Jun 2020, Li Qiang wrote --+
| P J P <ppandit@redhat.com> 于2020年6月25日周四 上午3:01写道：
| > Update v2: return ldl_le_p()
| > -> https://lists.gnu.org/archive/html/qemu-devel/2020-06/msg04972.html
| >
| > +static uint64_t flash_read(void *opaque, hwaddr offset, unsigned size)
| > +{
| > + NRF51NVMState *s = NRF51_NVM(opaque);
| > +
| > + assert(offset + size <= s->flash_size);
| > + return ldl_le_p(s->storage + offset);
| > +}
|
| However as the origin code doesn't provide a read callback. So why here we
| return something?
|
| I prefer here just 'qemu_log_mask(LOG_UNIMP, "%s not implemented\n",
| __func__);' as other patches does.
Earlier patch v1 did that. It was suggested to return ldl_le_p(), as that's a
valid return IIUC, instead of a zero(0), in case flash_read() is called.
Thanks so much for the reviews. I'll send a revised series with due updates.
Thank you.
--
Prasad J Pandit / Red Hat Product Security Team
8685 545E B54C 486B C6EB 271E E285 8B5A F050 DE8D
next prev parent reply other threads:[~2020-06-29 11:57 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-24 18:55 [PATCH v2 0/9] memory: assert and define MemoryRegionOps callbacks P J P
2020-06-24 18:55 ` [PATCH v2 1/9] hw/pci-host: add pci-intack write method P J P
2020-06-29 9:20 ` Li Qiang
2020-06-24 18:55 ` [PATCH v2 2/9] pci-host: add pcie-msi read method P J P
2020-06-29 9:30 ` Li Qiang
2020-06-24 18:55 ` [PATCH v2 3/9] vfio: add quirk device write method P J P
2020-06-29 9:36 ` Li Qiang
2020-06-24 18:55 ` [PATCH v2 4/9] prep: add ppc-parity " P J P
2020-06-25 1:40 ` David Gibson
2020-06-25 6:24 ` Philippe Mathieu-Daudé
2020-06-29 11:22 ` Li Qiang
2020-07-21 8:24 ` Philippe Mathieu-Daudé
2020-06-24 18:55 ` [PATCH v2 5/9] nvram: add nrf51_soc flash read method P J P
2020-06-29 11:17 ` Li Qiang
2020-06-29 11:55 ` P J P [this message]
2020-06-29 15:32 ` Paolo Bonzini
2020-06-29 16:05 ` Li Qiang
2020-06-29 15:31 ` Paolo Bonzini
2020-07-16 16:27 ` Peter Maydell
2020-07-21 6:47 ` P J P
2020-07-21 8:33 ` Philippe Mathieu-Daudé
2020-07-21 9:48 ` P J P
2020-06-24 18:55 ` [PATCH v2 6/9] spapr_pci: add spapr msi " P J P
2020-06-25 1:41 ` David Gibson
2020-06-29 9:55 ` Li Qiang
2020-06-24 18:55 ` [PATCH v2 7/9] tz-ppc: add dummy read/write methods P J P
2020-06-25 6:29 ` Philippe Mathieu-Daudé
2020-06-25 9:18 ` P J P
2020-06-25 10:21 ` Philippe Mathieu-Daudé
2020-06-25 11:24 ` P J P
2020-06-29 15:33 ` Paolo Bonzini
2020-06-25 12:22 ` Peter Maydell
2020-06-29 10:44 ` Li Qiang
2020-06-29 11:48 ` P J P
2020-06-24 18:55 ` [PATCH v2 8/9] imx7-ccm: add digprog mmio write method P J P
2020-06-29 10:47 ` Li Qiang
2020-06-24 18:55 ` [PATCH v2 9/9] memory: assert MemoryRegionOps callbacks are defined P J P
2020-06-29 11:28 ` Li Qiang
2020-06-24 21:35 ` [PATCH v2 0/9] memory: assert and define MemoryRegionOps callbacks no-reply
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